Rice Cooker Oyakodon (One-Pot Japanese Chicken & Egg) | CookOS

Rice Cooker Oyakodon

Name: Rice Cooker Oyakodon (One-Pot Japanese Chicken & Egg)
Prep time: 5 min
Cook time: 25 min
Total time: 30 min
Yield: 1 servings
Cuisine: Japanese
Ingredients: 1 cup Japanese short-grain rice; 1 cup water; 1 boneless, skinless chicken thigh (about 6 oz); 1/2 medium onion; 2 tbsp soy sauce; 1 tbsp sugar; 1 tsp dashi powder; 1 tsp toasted sesame seeds; 1 large egg; 1 tbsp green onions, for garnish; Shichimi Togarashi, for garnish

Rice Cooker Oyakodon is a simplified one-pot version of the classic Japanese chicken and egg rice bowl that cooks entirely in a rice cooker, eliminating stovetop timing and making weeknight preparation foolproof.

🌍Japanese 🏷️Oyakodon 🏷️Rice cooker 🏷️Chicken 🏷️Egg Rice bowl

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Total

30 min

Servings

Difficulty

Easy

Est. Cost

$22–$36

Recipe Source

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Ingredients

1 cup Japanese short-grain rice
1 cup water
1 boneless, skinless chicken thigh (about 6 oz)
1/2 medium onion
2 tbsp soy sauce
1 tbsp sugar
1 tsp dashi powder
1 tsp toasted sesame seeds
1 large egg
1 tbsp green onions, for garnishoptional
Shichimi Togarashi, for garnishoptional

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Instructions

1
Rinse the rice and place it in the rice cooker pot with water.
2
Slice the onion and cut the chicken thigh into bite-sized pieces.
3
In a mixing bowl, combine the chicken, sliced onion, soy sauce, sugar, dashi powder, and toasted sesame seeds. Mix well to coat.
4
Layer the chicken and onion mixture evenly on top of the uncooked rice in the rice cooker.
5
Close the rice cooker and start the standard cooking cycle.
6
While the rice cooks, beat the egg in a small bowl.
7
As soon as the rice cooker finishes, quickly open the lid and pour the beaten egg over the chicken and rice.
8
Immediately close the lid and let the residual steam cook the egg for 2-3 minutes until it's softly set.
9
Open the lid, gently mix everything together, and serve in a bowl.
10
Garnish with chopped green onions and a sprinkle of Shichimi Togarashi, if desired.

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Tips & Notes

Pro tips

Cut chicken thigh into 1-inch pieces to ensure even cooking in the final minutes and faster egg integration.
Whisk the egg thoroughly before adding so it distributes evenly and creates a silky coating rather than large clumps.
Use Japanese short-grain rice (not long-grain) for proper texture and starch release that helps the dish bind together.
Keep the rice cooker lid closed after adding egg; residual steam will gently cook it without overcooking the rice below.

Substitutions

Boneless, skinless chicken breast → thigh (thigh yields better moisture; reduce time by 5 minutes)
Dashi powder → chicken bouillon cube, crumbled (use ½ cube for same depth)
Japanese short-grain rice → sushi rice or medium-grain white rice (texture will be slightly less sticky)
Soy sauce → tamari (use same amount for a gluten-free version)

Storage & make-ahead

Store leftover oyakodon in an airtight container for up to 3 days; reheat gently in the rice cooker's warm setting or microwave, adding a splash of water to restore moisture.

Equipment

Rice cooker with steamer basket or platform · Heat-safe small bowl or aluminum foil pouch (if steamer basket unavailable)

Common Questions

Can I use chicken breast instead of thigh?

Yes, but thigh stays more moist during steaming. If using breast, reduce cooking time by 5 minutes and check for doneness earlier to avoid drying out.

Do I need to cook the rice first?

No. Use uncooked short-grain rice with the measured water—the chicken and egg steam above the rice, which cooks normally underneath.

When do I add the egg?

Add the beaten egg in the last 2–3 minutes of cooking so it sets gently and stays slightly custard-like rather than fully scrambled.

Can I make this ahead?

Cook the rice and chicken fully, then store in an airtight container for up to 3 days. Add fresh beaten egg and reheat gently in the rice cooker's warm setting for 2 minutes before serving.

What if my rice cooker doesn't have a steamer basket?

Place chicken and onions in a small heat-safe bowl or aluminum foil pouch on top of the rice, or use a makeshift platform of chopsticks to elevate ingredients above the water line.