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Loco Moco

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Loco Moco is a simple Hawaiian recipe that consists of steamed rice topped with a tender hamburger patty, fried egg, and smothered with flavorful mushroom gravy.

loco moco rice with beef patty, fried egg, and mushroom gravy

A Loco Moco is great for breakfast, lunch, or dinner. It is savory, hearty, and packed with calories. More importantly, although Loco Moco sounds like a fancy dish name, it is actually very simple to make. Let me tell you how easy it is.

About Loco Moco

With the name of Loco Moco, you would hardly expect that the dish comes from the only island state in the United States. Yes, Loco Moco is a modern dish that has been invented in Hawaii.

Loco Moco is actually a mix of Asian and American comfort foods. It was developed late in the 1940s as inexpensive diner food that teenagers could afford. The teenagers named the dish Loco Moco after one of their members, whose nickname was “crazy”. They suggested using Loco, which is Spanish for crazy. Then, they tacked on “moco which rhymed with loco and sounded good.

This recipe keeps it as simple as it was back in those times, but feel free to experiment a bit yourself. There are many variations, but the traditional one consists of a bed of white rice, topped with a juicy hamburger and a fried egg, and smothered with brown mushroom gravy. Variations may include bacon, ham, tofu, and other meats.

Since there is not much to do with a fried egg and the rice, you should focus the efforts on the hamburger patty and the mushroom gravy. I love to make it as simple as possible. Let me explain how I made them further below.

1. Hamburger patties

I am a minimalist when it comes to making hamburger patties. Ground beef, diced onion, and salt, and pepper are usually as much as I add to the meat before cooking. Because the hamburger patties are the main component in this recipe, get the best meat available that you can afford. That means ground chuck with at least 20% fat.

The more freshly ground the meat is, the more tender and flavorful the burger. If your store has on-site butchers, ask them to grind the meat fresh for you. Of course, you can grind on your own with a home grinder or in a food processor.

I am into big, fat patties because they look visually better. I use 400 grams of ground beef for 2 big patties. But if you think they are too big for a serving, you can divide them into smaller pieces. For the big patties, make the center thinner than the edges since the hamburgers shrink and pull in as they cook.

2. Mushroom gravy

The gravy is what combines the flavor of the rice, hamburger, and egg together. Firstly, I cook the hamburgers first so that I got the wonderful pan drippings from the meat to build up the flavor in the gravy. Then, add the diced onions and mushrooms. Cook until tender and the onion is caramelized. I use beef stock, soy sauce, and Worcestershire sauce for the seasonings. Then, I add the cornstarch slurry to blend everything and thicken the gravy.

3. Sunny-side up eggs

Although the egg was not included in the original version of Loco Moco, it is definitely a staple to the Hawaiian dish now. For the perfect round eggs, I used a 4-inch/10cm round cookie cutter.

Grease the cookie cutter before dropping it on a greased frying pan. Then, crack an egg into the cutter, keeping the yolk intact. Cover with a tight lid and cook until the white is completely set. Slide the egg out of the skillet onto a plate and season with salt and pepper.

loco moco
loco moco

More Easy Dinner Recipes

a bowl of rice topped with a beef patty and a sunny side up egg, smothered with mushroom gravy
4.3 from 3 votes

Loco Moco

Loco Moco is a simple Hawaiian recipe that consists of steamed rice topped with tender hamburger patty, fried egg, and smothered with flavorful mushroom gravy.
Author: Jaja Bakes
Course: Main
Cuisine: Hawaiian
Servings: 2
Tap or hover to scale!
Prep Time15 minutes
Cook Time25 minutes
Total Time40 minutes


  • 2 servings steamed white rice
  • 2 sunny side up eggs
  • Green onion, chopped finely


  • 1 tbsp vegetable oil
  • 0.9 lb (400 gr) ground beef
  • 1/2 small onion, minced finely
  • Salt and pepper, to taste

Mushroom Gravy

  • 1 tbsp butter
  • 1/2 small onion, diced finely
  • 5 mushrooms, sliced thinly
  • 1 1/2 cups (360 ml) beef stock
  • 1 tsp Worcestershire sauce
  • 1 tsp soy sauce
  • salt, to taste
  • 1 1/2 tbsp cornstarch
  • 1 1/2 tbsp water



  • In a big bowl, mix the ground beef, onion, salt, and pepper until well combined. Form 2 big patties or 4 medium patties. Season one side of the patties with more salt and pepper. Set aside.
  • In a large pan, heat 1 tbsp of oil over medium heat and gently place the patties down, seasoned side down. Indent the center of each patty because the center of patties will rise with the heat. Cover the pan with a lid to seal the moisture. Cook 4-5 minutes each side or until every side is well browned. Remove the burgers. Set aside.

Mushroom Gravy

  • Add butter to the pan with the drippings. Add onion and mushrooms until golden brown for about 5 minutes. Add the beef broth and cook until boil. Season with Worcestershire sauce, soy sauce, and salt. Taste and adjust the seasonings.
  • In a small bowl, mix the cornstarch and water to make a slurry. Pour the cornstarch slurry to the pan and cook until the gravy thickens. Turn off the heat and set aside.


  • To serve, place a serving of cooked rice on a plate. Place a burger on top. Pour the mushroom gravy on top of the burger. Then, top it with a sunny side up egg. Garnish with green onion if desired.


Serving: 1serving | Calories: 867kcal | Carbohydrates: 36g | Protein: 48g | Fat: 58g | Saturated Fat: 22g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 22g | Trans Fat: 3g | Cholesterol: 342mg | Sodium: 2596mg | Potassium: 1222mg | Fiber: 2g | Sugar: 4g | Vitamin A: 481IU | Vitamin C: 5mg | Calcium: 105mg | Iron: 6mg
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