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Teriyaki Chicken Casserole

This Teriyaki Chicken Casserole is a delicious, family-friendly dish combining tender diced chicken, crisp broccoli, sweet red bell pepper, fluffy white rice, and savory teriyaki sauce.

Ingredients

Scale

1 lb boneless, skinless chicken breasts, diced

2 cups cooked white rice (preferably day-old)

1 cup broccoli florets (fresh or frozen)

1 red bell pepper, diced

1 cup teriyaki sauce (low-sodium if preferred)

1 tbsp olive oil

Salt and black pepper, to taste

1 tbsp sesame seeds, for garnish

2 green onions, chopped for garnish

Instructions

Step 1: Prep the Ingredients

  • Cook white rice ahead of time. You can use leftover rice for better texture.

  • Dice the chicken breasts into bite-sized pieces.

  • Wash and chop broccoli and red bell pepper.

  • Preheat your oven to 375°F (190°C).

  • Lightly grease a 9×13-inch casserole dish.

Step 2: Cook the Chicken

  • In a large skillet over medium heat, heat 1 tbsp olive oil.

  • Add the diced chicken. Season with salt and pepper.

  • Cook for 6–8 minutes or until the chicken is fully cooked (no longer pink).

  • Remove from heat and set aside.

Step 3: Combine the Ingredients

  • In a large mixing bowl, combine:

    • Cooked white rice

    • Cooked chicken

    • Broccoli florets

    • Diced red bell pepper

    • 1 cup teriyaki sauce

  • Stir well to coat all ingredients evenly in the sauce.

Step 4: Bake the Casserole

  • Transfer the mixture into the prepared casserole dish.

  • Cover with aluminum foil and bake for 20 minutes.

  • Remove foil, sprinkle sesame seeds and chopped green onions over the top.

  • Bake uncovered for another 10 minutes, or until the top is slightly crisp and golden.

Step 5: Serve

  • Let it cool for a few minutes before serving.

  • Serve hot, optionally with a side of miso soup, cucumber salad, or edamame.

Notes

  • Rice Tip: Day-old rice holds up better and absorbs the teriyaki sauce more effectively.

  • Vegetable Variations: You can add mushrooms, shredded carrots, snap peas, or zucchini.

  • Protein Substitution: Swap chicken with turkey or tofu for variation.

  • Make Ahead: Assemble and refrigerate the casserole (uncooked) for up to 24 hours in advance.

  • Freezer Friendly: Cool completely, store in airtight containers, and freeze for up to 2 months.