Preheat the oven to 350°F (175°C).

In a large mixing bowl, combine cooked chicken, broccoli, cheddar cheese, cream of chicken soup, rice, water, garlic powder, onion powder, salt, and pepper.

Pour the mixture into a greased baking dish and spread evenly.

Cover with foil and bake for 25 minutes.

Remove the foil and bake for an additional 10 minutes until bubbly and golden.

In a large skillet, brown the ground beef or turkey over medium heat until fully cooked.

Drain excess fat and add taco seasoning according to package instructions.

Warm taco shells in the oven according to package instructions.

Serve the meat in taco shells and top with lettuce, tomato, cheese, sour cream, and salsa as desired.