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Easy Weeknight Teriyaki Chicken Casserole (Family Favorite!)

Hey there, friend! Remember those busy weeknights when you just wanted something warm, comforting, and utterly delicious on the table without a fuss? Yeah, me too. That's why I absolutely adore this Teriyaki Chicken Casserole. It feels like a cozy hug in a dish, packed with flavor and goodness, and honestly, it's so simple you'll wonder why you didn't make it sooner. It's become a go-to in my kitchen for those nights when life is a little crazy, but I still want to gather the family around for a proper meal. Plus, using up leftover chicken and rice? Total win!
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Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings: 6 servings
Course: Casserole, Dinner, Main Course
Cuisine: American, Asian-Inspired
Ingredients Equipment Method Notes

Ingredients
  

  • 2 cups cooked chicken shredded or cubed
  • 2 cups cooked rice any kind
  • 1 cup carrots sliced
  • 1 cup bell peppers chopped (any color)
  • 1 cup broccoli florets steamed
  • 1 cup frozen peas thawed
  • 1/2 cup teriyaki sauce store-bought or homemade
  • 1 cup shredded mozzarella cheese
  • 1/4 cup soy sauce
  • 2 tbsp olive oil
  • 1 tsp garlic powder
  • 1 tsp onion powder

Equipment

  • 9x13 inch Baking Dish
  • Large Mixing Bowl

Method
 

  1. Step 1: Preheat oven to 350°F (175°C). Lightly grease a 9x13 inch baking dish.
  2. Step 2: In a large mixing bowl, combine the cooked chicken, cooked rice, sliced carrots, chopped bell peppers, steamed broccoli, and thawed peas.
  3. Step 3: Add the teriyaki sauce, soy sauce, garlic powder, and onion powder to the bowl. Stir well to evenly coat all ingredients.
  4. Step 4: Transfer the mixture into the prepared baking dish and spread it out evenly.
  5. Step 5: Sprinkle the shredded mozzarella cheese evenly over the top.
  6. Step 6: Cover the dish snugly with aluminum foil. Bake in the preheated oven for 25-30 minutes, until the vegetables are tender and the cheese is melty.
  7. Step 7: Carefully remove the foil. Bake uncovered for another 5 minutes, or until the cheese on top is golden and bubbly.
  8. Step 8: Remove from the oven and let cool for a few minutes before serving.

Notes

This recipe is very flexible! Feel free to swap chicken for cooked shrimp, tofu, pork, or beef. You can add other vegetables like corn, snap peas, mushrooms, water chestnuts, or spinach. Quinoa can replace rice. Add sriracha or red pepper flakes for heat, or fresh ginger for zing. Garnish with sesame seeds, green onions, or extra teriyaki sauce.
For best results, ensure chicken and rice are already cooked and vegetables are only tender-crisp before baking. Mix thoroughly to distribute flavor. Check vegetable tenderness before removing foil.
To make ahead, assemble steps 2-4 and refrigerate up to 24 hours (add extra baking time). Store leftovers in the fridge for 3-4 days or freeze for 2-3 months. Reheat in the microwave or a 300°F (150°C) oven.