Classic Loco Moco Recipe: Hawaiʻi-Style Hamburger, Rice, Gravy & Egg

Homemade Hawaiian Loco Moco with Hamburger and Rice | Brent Hofacker

A mound of hot white rice topped with a juicy hamburger patty, rich brown gravy, and a fried egg may sound simple, but together those four ingredients create one of Hawaiʻi’s best-loved comfort foods: loco moco.

Born in Hilo on Hawaiʻi Island in the late 1940s, loco moco is a distinctly local creation rather than an ancient Hawaiian dish. It reflects the practical, filling, multicultural food culture that developed throughout Hawaiʻi during the 20th century.

A classic loco moco doesn’t need pineapple, teriyaki sauce, or an elaborate list of toppings. At its heart, it’s simply rice, hamburger, brown gravy, and egg—and when those elements are prepared well, that’s more than enough.

For another example of the hearty foods that became part of Hawaiʻi’s local food culture, Tiki Kulture’s Hawaiʻi-style shoyu chicken pairs equally well with rice but has a very different history and flavor profile.

🍳 Loco Moco at a Glance

Prep time: 15 minutes
Cook time: About 30 minutes
Total time: About 45 minutes
Servings: 4
Cooking method: Stovetop

Each serving includes hot rice, one beef patty, plenty of brown gravy, and a fried egg.

This is filling food. If you’re serving macaroni salad or other sides, you can make the patties slightly smaller or divide the recipe into more portions.

🥩 Ingredients

For the Hamburger Patties

1 1/2 pounds ground beef, preferably 80/20 or 85/15
1 teaspoon kosher salt
1/2 teaspoon freshly ground black pepper
1 teaspoon Worcestershire sauce, optional
1/2 teaspoon garlic powder, optional
1 tablespoon neutral cooking oil, if needed

For the Brown Gravy

2 tablespoons butter or reserved beef drippings
1/2 small onion, thinly sliced or finely diced
4 ounces mushrooms, sliced, optional
2 tablespoons all-purpose flour
2 cups beef broth
1 teaspoon Worcestershire sauce
1 teaspoon shoyu or soy sauce, optional
Freshly ground black pepper, to taste
Salt, only if needed

For Serving

4 cups hot cooked white rice
4 large eggs
1 tablespoon butter or neutral cooking oil for frying the eggs
2 green onions, thinly sliced, optional

The mushrooms aren’t required for loco moco, but mushroom gravy is a very popular variation and adds excellent savory flavor.

If you want the simplest possible version, leave them out and make a straightforward onion-and-beef brown gravy.

🍚 Start With the Rice

Cook the white rice first so it can stay warm while you prepare the patties and gravy.

Calrose or another medium-grain white rice works particularly well, although ordinary long-grain rice is perfectly acceptable.

You want the rice tender but not waterlogged. The grains need enough structure to support the burger and absorb the gravy without turning the whole plate into mush.

Once cooked, keep the rice covered and warm.

Rice is central to many dishes in Hawaiʻi’s modern local food culture. You’ll see it accompanying everything from Korean kalbi short ribs to Spam musubi, reflecting the enormous influence of Asian immigrant communities on everyday food in the islands.

🍔 Make the Hamburger Patties

Place the ground beef in a bowl.

Add the salt, black pepper, Worcestershire sauce, and garlic powder if using.

Mix very gently, just until the seasonings are distributed. Don’t knead or repeatedly squeeze the beef. Overworking ground meat can produce firm, dense hamburger patties.

Divide the meat into four equal portions and form each into a patty approximately 3/4 inch thick.

Make a shallow indentation in the center of each patty with your thumb. This helps reduce the tendency for hamburgers to puff dramatically in the middle as they cook.

🔥 Cook the Burgers

Heat a large skillet over medium-high heat.

If you’re using relatively fatty beef in a well-seasoned cast-iron or nonstick skillet, you may not need additional oil. Otherwise, add a small amount of neutral cooking oil.

Place the patties in the hot pan.

Let them cook without constantly moving or pressing them. Pressing burgers with the spatula forces juices out of the meat and into the skillet.

Flip once the first side has developed a good brown crust.

Continue cooking until the burgers reach an internal temperature of 160°F (71°C).

Ground beef is different from an intact steak because bacteria on the meat’s exterior can become distributed throughout during grinding. For that reason, use a food thermometer rather than relying on whether the center looks pink or brown.

Transfer the cooked patties to a clean plate and loosely cover them while you prepare the gravy.

🍄 Make the Brown Gravy

Don’t clean the skillet.

Those browned bits left behind from the hamburger patties can contribute excellent flavor to the gravy.

If there is an excessive amount of grease, carefully pour most of it away, leaving roughly 2 tablespoons in the pan. If there isn’t enough fat, add butter until you have about 2 tablespoons total.

Reduce the heat to medium.

Add the onion and mushrooms, if using, and cook for several minutes until softened and beginning to brown.

Sprinkle the flour over the vegetables and fat.

Stir continuously for about 1 to 2 minutes. This cooks away the raw flour flavor and creates the roux that will thicken your gravy.

🥣 Add the Beef Broth

Slowly pour the beef broth into the skillet while whisking or stirring constantly.

Adding the broth gradually helps prevent lumps.

Stir in the Worcestershire sauce and optional shoyu.

Bring the gravy to a gentle simmer and cook for approximately 5 minutes, stirring frequently, until it reaches a rich, spoonable consistency.

Taste before adding salt.

Between the beef broth, Worcestershire sauce, and shoyu, the gravy may already have plenty.

Add black pepper to taste.

If the gravy becomes too thick, stir in a small amount of additional broth or water.

If it’s too thin, continue simmering for another few minutes.

🍳 Fry the Eggs

Heat butter or oil in a separate nonstick skillet over medium-low to medium heat.

Crack the eggs into the pan.

A sunny-side-up or over-easy egg with a soft yolk is one of the most recognizable loco moco toppings because the yolk mixes with the brown gravy and rice when you cut into it.

For food safety, USDA guidance recommends cooking eggs to 160°F. If you prefer a soft or runny yolk, using pasteurized shell eggs reduces risk.

People at increased risk from foodborne illness—including pregnant people, young children, older adults, and people with weakened immune systems—should avoid raw or undercooked eggs.

You can also simply cook the eggs until both the whites and yolks are firm.

🍽️ Assemble the Loco Moco

Place approximately 1 cup of hot white rice on each plate or in a shallow bowl.

Set one hamburger patty directly over the rice.

Spoon a generous amount of hot brown gravy over the burger, allowing some to run down onto the rice.

Place a fried egg on top.

Finish with sliced green onions if desired.

Serve immediately.

When you cut through the egg and hamburger, the yolk, gravy, beef juices, and rice come together into the combination that makes loco moco such satisfying comfort food.

🌺 Where Was Loco Moco Invented?

Loco moco was created in Hilo on Hawaiʻi Island in the late 1940s, with many accounts dating the dish to around 1949.

The best-known origin story centers on a group of local teenagers known as the Lincoln Wreckers.

The teenagers wanted something inexpensive and substantial that was different from the usual sandwiches they ordered at the Lincoln Grill.

Rice was affordable and filling, so a hamburger patty was placed over rice and covered with brown gravy.

An egg eventually became the finishing touch.

The combination caught on.

What began as inexpensive food for hungry teenagers ultimately became one of the dishes most strongly associated with Hawaiʻi’s local comfort-food culture.

🏪 Did Cafe 100 Invent Loco Moco?

This is one of the most persistent misconceptions surrounding the dish.

Cafe 100 did not originate the loco moco, according to the strongest historical accounts. The Lincoln Grill is generally credited with creating it.

Cafe 100, however, played an enormous role in popularizing loco moco in Hilo and became perhaps the restaurant most closely associated with the dish.

The restaurant was founded by Richard Miyashiro, a veteran whose military service inspired the Cafe 100 name.

Over the decades, the restaurant became famous for offering numerous versions of loco moco.

So both establishments have an important place in the story:

Lincoln Grill is generally associated with the invention. Cafe 100 helped make loco moco an institution.

🤔 Why Is It Called Loco Moco?

The exact story behind the name isn’t completely settled.

One version says that one of the Lincoln Wreckers had the nickname Loco, possibly because of his energetic or “crazy” personality.

The teenagers reportedly chose “moco” largely because it rhymed.

Other versions of the story differ in the details.

That’s why it’s better to describe the origin of the name as uncertain rather than presenting a colorful legend as established fact.

What is much clearer is where the dish developed: Hilo.

🌴 Is Loco Moco Traditional Hawaiian Food?

Loco moco is genuinely a Hawaiʻi dish, but it isn’t traditional Native Hawaiian food.

That distinction is important.

Traditional Hawaiian foods include preparations rooted in Native Hawaiian foodways, such as poi, laulau, lomi salmon, haupia, and foods cooked in an imu.

Loco moco appeared much later, in the mid-20th century.

It’s better categorized as Hawaiʻi local food—the multicultural cuisine that developed as Native Hawaiian, Japanese, Chinese, Filipino, Korean, Portuguese, Puerto Rican, American, and other food traditions interacted throughout the islands.

Another good comparison is Hawaiian kālua pork. Kālua cooking has deep Hawaiian roots, while loco moco represents Hawaiʻi’s much newer local food culture.

Both belong to Hawaiʻi’s culinary story, but they come from very different chapters.

🍱 Loco Moco and the Plate Lunch Tradition

Loco moco feels perfectly at home beside Hawaiʻi’s plate-lunch culture.

The classic local plate lunch often combines rice with a hearty protein and macaroni salad. Depending on the restaurant, that protein could be teriyaki beef, kalbi, shoyu chicken, chicken katsu, hamburger steak, or many other dishes.

Loco moco shares the same basic virtues: it’s filling, relatively inexpensive, built around rice, and designed to satisfy a serious appetite.

A scoop of macaroni salad beside loco moco therefore feels completely natural.

For another iconic plate-lunch favorite, Tiki Kulture’s crispy chicken katsu explores the Japanese dish that became deeply woven into Hawaiʻi’s local food culture.

🥗 What to Serve With Loco Moco

A full loco moco is already a substantial meal, so you don’t need many sides.

Popular choices include:

Macaroni salad
Simple green salad
Steamed vegetables
Cucumber salad
Pickled vegetables
Extra rice

For a lighter meal, skip additional starch and serve a crisp salad or vegetables alongside.

For a hearty plate-lunch-style meal, macaroni salad is the obvious choice.

🍄 Does Loco Moco Need Mushroom Gravy?

No.

Brown gravy is fundamental to loco moco, but mushrooms aren’t required.

Some versions use a straightforward beef gravy. Others add mushrooms, onions, or both.

Mushrooms contribute a deep savory quality that works beautifully with the beef, so they’re included as optional ingredients here.

If you’re trying to make the most stripped-down version possible, leave them out.

The four elements that matter most are still:

Rice + hamburger patty + brown gravy + egg.

🧅 Should You Put Onion in the Burger Patty?

You can, but you don’t need to.

The old Tiki Kulture recipe mixed chopped onion and garlic directly into the hamburger meat.

That produces a tasty burger, but a classic loco moco can be even simpler.

Seasoning the beef primarily with salt and pepper allows the browned meat, gravy, and egg to remain distinct.

I prefer putting onion into the gravy, where it softens completely and adds sweetness without interfering with the texture of the patty.

If your family loves onion-filled hamburgers, though, adding a few tablespoons of finely minced onion to the beef is perfectly reasonable.

🥣 How to Make Loco Moco Gravy Taste Better

The easiest way to improve your gravy is to make it in the same skillet used for the burgers.

When beef browns, flavorful bits stick to the pan.

Once broth is added, those browned bits dissolve into the gravy.

Onions and mushrooms provide more savoriness, while a tiny amount of Worcestershire sauce deepens the beef flavor.

Shoyu is optional but can add another layer of umami while connecting the gravy to flavors familiar in Hawaiʻi local cooking.

Don’t overdo it, though.

Loco moco gravy should still taste like brown gravy rather than teriyaki sauce.

🌶️ Popular Loco Moco Variations

Once loco moco became established, cooks began experimenting.

Today you can find versions made with all kinds of proteins.

Spam Loco Moco

Replace the hamburger patty with browned slices of Spam.

Given Spam’s enormous popularity in Hawaiʻi, the combination makes perfect sense. If you’ve never cooked with it before, start with Tiki Kulture’s Spam musubi recipe.

Kalbi Loco Moco

Use grilled Korean-style short ribs instead of hamburger.

The sweet-savory beef makes an especially rich variation. Our Korean kalbi short ribs work well for this.

Teriyaki Loco Moco

Top the rice with a teriyaki-seasoned beef patty.

This is a modern variation rather than a requirement for classic loco moco.

Chicken Loco Moco

Use a ground-chicken patty or grilled chicken in place of beef.

Vegetarian Loco Moco

A mushroom, lentil, bean, or plant-based patty can replace the hamburger, while mushroom gravy keeps the savory character.

These can all be enjoyable, but the classic version remains remarkably simple.

🥚 Why the Egg Matters

The fried egg isn’t merely decorative.

A soft yolk creates a second sauce.

As you cut through the egg, the yolk runs into the brown gravy, coating the hamburger and soaking into the rice.

That’s why a sunny-side-up or over-easy egg is so popular.

If you prefer fully cooked eggs, don’t worry. An over-hard egg still gives you the flavor and richness that belong on a loco moco.

You can even use scrambled eggs if that’s what you enjoy, although the finished dish will be less traditional in appearance.

🍚 White Rice or Brown Rice?

White rice is the classic choice.

Its mild flavor and soft texture work particularly well with beef gravy.

Brown rice can certainly be substituted if you prefer its chewier texture and nuttier taste, but changing to brown rice doesn’t automatically make an otherwise rich loco moco a “health food.”

It’s better to choose the rice you actually enjoy and adjust your portion according to your appetite.

🍔 Can You Make Mini Loco Moco?

Yes, and this can be a fun party variation.

Make small hamburger patties and serve them over compact scoops of rice with a little gravy.

Instead of full-size chicken eggs, you can use fried quail eggs if they’re available.

The result works well as a small plated appetizer, although loco moco is traditionally much more closely associated with generous comfort-food portions than delicate hors d’oeuvres.

For casual parties, you can also simply build a loco moco bar and let guests assemble their own bowls.

🎉 Make a Loco Moco Bar

For a gathering, prepare the components separately.

Keep the rice warm in a rice cooker, the gravy hot in a saucepan or slow cooker, and the patties warm until serving.

Fry eggs in batches shortly before people eat.

Then let guests build their own plates with optional toppings such as:

Green onion
Mushrooms
Caramelized onions
Hot sauce
Furikake
Kimchi

You could also offer different proteins, such as hamburger patties, shoyu chicken, or leftover kalbi.

That’s not the classic preparation, but it makes a fun Hawaiʻi local-food-inspired gathering.

🧊 How to Store Leftover Loco Moco

For the best results, store the components separately.

Place cooked hamburger patties and gravy in airtight containers and refrigerate promptly. Store the rice separately, and cook fresh eggs when you reheat the meal if possible.

Properly refrigerated cooked leftovers should generally be used within 3 to 4 days.

Reheat leftovers to 165°F (74°C).

Add a splash of beef broth or water to gravy if it becomes too thick in the refrigerator.

Rice can dry out as it chills, so sprinkle it with a small amount of water before reheating and cover it to help trap steam.

❄️ Can You Freeze Loco Moco?

Parts of it freeze very well.

Hamburger patties can be frozen cooked or uncooked, and brown gravy can be frozen in small containers.

Cooked rice can also be frozen.

Eggs are better prepared fresh because fried eggs don’t maintain their texture particularly well after freezing and reheating.

For an easy future meal, freeze individual portions of rice, hamburger, and gravy, then fry a fresh egg while everything else reheats.

🌺 A Hilo Comfort-Food Classic

Loco moco isn’t ancient Hawaiian cuisine, and it doesn’t need pineapple or generic “tropical flavors” to earn its place on Tiki Kulture.

Its story is interesting enough on its own.

A group of hungry teenagers in postwar Hilo wanted something inexpensive and filling. Rice, hamburger, gravy, and eventually an egg came together in a local diner—and an enduring Hawaiʻi comfort food was born.

From Hilo, loco moco spread throughout the islands and far beyond them.

Restaurants now create elaborate versions with premium beef, fried rice, seafood, mushrooms, short ribs, and countless other additions, but the formula that made the original so satisfying remains difficult to improve:

Hot rice. Juicy hamburger. Brown gravy. Fried egg.

Make those four things well, pile them onto one plate, and you’ve got loco moco.

To explore another classic part of Hawaiʻi’s local comfort-food tradition next, try crispy chicken katsu or Hawaiʻi-style shoyu chicken.