What You’ll Need
This comforting casserole brings together the classic sweet-savory flavors of teriyaki with tender chicken, fluffy rice, and colorful vegetables, all baked together in one dish. It’s a fantastic way to use up leftover rice, and it comes together quickly for busy weeknights.
For the chicken and rice base, you’ll need about a pound of boneless, skinless chicken breasts, diced into bite-sized pieces. You’ll also need about two to three cups of cooked rice—white, brown, or even jasmine work beautifully. If you’re starting from scratch, you’ll want about a cup of uncooked rice, which you can cook before assembling the casserole.
For the vegetables, grab a colorful mix—broccoli florets, sliced carrots, and chopped bell peppers are all excellent choices. You can also use a bag of frozen stir-fry vegetables to save time. A handful of chopped green onions adds fresh flavor for garnish.
The teriyaki sauce is the heart of this dish. You can use a bottle of your favorite store-bought teriyaki sauce for ultimate convenience—about a cup to a cup and a half will do the trick. Alternatively, you can make your own by whisking together low-sodium soy sauce, brown sugar or honey, rice vinegar, sesame oil, minced garlic, and grated ginger, then thickening it with a cornstarch slurry. An optional sprinkle of shredded mozzarella or cheddar cheese over the top adds a delicious, bubbly finish.
How to Make It
Start by preheating your oven and lightly greasing a nine-by-thirteen-inch baking dish. If you’re making your own teriyaki sauce, combine the soy sauce, water, brown sugar, garlic, and ginger in a small saucepan over medium heat. Bring it to a boil, then stir in a cornstarch slurry—cornstarch mixed with a little cold water—and cook until the sauce thickens into a glossy glaze. Remove it from the heat and set it aside.
In a large skillet, heat a tablespoon of oil over medium heat. Add the diced chicken, season with a little garlic powder, ginger powder, salt, and pepper, and cook until it’s no longer pink and lightly browned. Add your vegetables—broccoli, bell peppers, carrots, or whatever you’re using—and sauté for another few minutes until they’re tender-crisp.
In a large mixing bowl, combine the cooked rice, the sautéed chicken and vegetable mixture, and about three-quarters of your teriyaki sauce. Stir everything together until it’s well coated and the sauce is evenly distributed. Transfer the mixture to your prepared baking dish and spread it out into an even layer. If you’re using cheese, sprinkle it generously over the top.
Cover the dish with foil and bake for about twenty minutes, then remove the foil and continue baking until the casserole is heated through, the sauce is bubbling, and the cheese is melted and golden. If you’re using a version where the chicken is baked in whole pieces before being shredded, you’ll need to bake it covered for about thirty minutes, shred the chicken, add the rice, and then bake uncovered for a final stretch.
Once it’s out of the oven, let the casserole rest for about five minutes before serving. Garnish with sliced green onions and a sprinkle of sesame seeds for a beautiful finish. Drizzle any reserved teriyaki sauce over individual servings for an extra pop of flavor.
Tips and Variations
This recipe is wonderfully adaptable. Feel free to swap the chicken for cooked turkey, shrimp, or even tofu for a vegetarian version. You can also use any vegetables you have on hand—snow peas, zucchini, mushrooms, or asparagus all work well. If you’re making the sauce from scratch, adjust the honey or brown sugar to your preferred sweetness level.
This casserole is a great make-ahead meal. You can assemble it up to a day in advance, store it covered in the refrigerator, and bake it when you’re ready. Leftovers keep beautifully in the fridge for three to four days and can also be frozen for up to three months. To reheat, simply warm it in the oven or microwave until heated through.
Enjoy this comforting, flavorful twist on a classic casserole—a complete meal in one dish that the whole family will love!