The Amazing Teriyaki Chicken Casserole is a delicious and comforting spin on traditional Asian cuisine, designed to bring the iconic flavor of teriyaki into a wholesome, easy-to-make oven-baked meal. With its bold, savory-sweet sauce, hearty vegetables, lean ground chicken, and nutty brown rice, this dish exemplifies balanced flavor and nutrition while offering the kind of stick-to-your-ribs satisfaction you’d expect from a classic casserole.
Teriyaki, a style of cooking that comes from Japan, refers to foods that are grilled or broiled with a glaze made from soy sauce, sugar, and mirin or sake. Over time, this flavor profile has traveled and evolved, becoming a beloved flavor base across the world. In Western kitchens, teriyaki is often adapted into convenient, weeknight-ready recipes—like this casserole—without losing the essence of that addictive umami taste. This dish pays homage to that beloved flavor while staying true to home-cooked comfort.
The use of ground chicken in the casserole serves several purposes. First, it is a lean, high-protein meat that’s easy to season and adaptable to many dishes. It browns beautifully in the oven and absorbs the flavorful teriyaki sauce effectively, giving a bold burst of flavor in every bite. Ground chicken also makes the recipe faster and simpler, eliminating the need to pre-cook or slice whole chicken breasts or thighs.
One of the great things about this recipe is its flexibility and convenience. It uses a frozen vegetable medley—typically consisting of broccoli, carrots, peas, and corn—making prep quick and easy, while also ensuring a variety of colors and nutrients in the final dish. The addition of Brussels sprouts gives a pleasantly earthy taste and a hearty texture, elevating the casserole with both nutrition and gourmet flair.
The homemade teriyaki sauce is what makes this dish shine. By preparing the sauce from scratch using pantry staples like soy sauce, garlic, ginger, brown sugar, and cornstarch, you maintain control over the ingredients, avoiding additives and excess sodium often found in store-bought versions. The quick thickening of the sauce ensures a shiny, rich glaze that clings to the chicken, rice, and vegetables perfectly.
This dish is prepared in just a couple stages: baking the chicken with sauce, then stirring in rice and vegetables, and finally baking everything together to meld the flavors. This layered method ensures that the chicken remains tender, the rice soaks up the sauce, and the veggies maintain a bit of bite—all hallmarks of a great casserole.
Ideal for busy weeknights or family gatherings, this teriyaki chicken casserole brings together the heartiness of a baked dish with the bold flavors of Asian-inspired cuisine. Plus, it’s great for meal prepping, as it stores and reheats wonderfully. Whether you’re a long-time teriyaki lover or just looking for a unique way to enjoy chicken and rice, this recipe is bound to become a staple in your kitchen.

Amazing Teriyaki Chicken Casserole
Ingredients
Chicken Ingredients
2 breasts ground chicken (minced chicken)- 12 ounces mixed vegetables - for stir-fry
- 1 cup Brussel sprouts
3 cups brown rice - cooked
Teriyaki Sauce Ingredients
¾ cup soy sauce
¼ cup brown sugar
½ cup water
½ teaspoon ginger - ground
2 cloves garlic - minced
2 tablespoons cornstarch
2 tablespoons water
Instructions
- Preheat oven to 350 degrees Fahrenheit; spray a 9×13 baking dish with non-stick cooking spray.
- Combine soy sauce, brown sugar, ½ cup of water, ginger and garlic in a small saucepan and cover. Bring to a boil. Remove lid and cook for one minute.
- Mix 2 tablespoons of water and cornstarch in a bowl until well blended and smooth. Add the prepared mixture to the saucepan and stir to mix. Wait for the sauce to thicken, then remove from heat and set aside.
- Put the ground chicken in the prepared baking dish and pour 1 cup of the teriyaki sauce over the top of the chicken. Put in oven, uncovered and bake for 35 minutes or until cooked through.
- Meanwhile, steam or cook the veggies according to package directions.
- Add the cooked veggies and the brown rice to the baking dish with the chicken. Pour most of the remaining sauce over the casserole, saving just a little to drizzle over the top when serving. Gently toss everything together until combined well. Put back to the oven and bake for 15 minutes.
- Remove from oven and let stand for 5 minutes.
- Serve and drizzle some of the remaining sauce over the top.














