Bring water to a boil, add bouillon cubes, Add rice and cook according to package directions. When all water is absorbed, pour rice into a large mixing bowl. Add diced turkey (or chicken).
Saute onions and celery until soft and translucent.
Mix all remaining ingredients into the rice and turkey/chicken mixture. Spray a 9" x 13" baking dish. Add casserole mixture. Top with corn flake crumbs.
Preheat oven to 375 degrees F. Bake casserole until brown and bubbly, about 45 minutes to 1 hour. Serve immediately.
Notes
The "what you have" part of this recipe means you can use what you have on hand. Optional tasty ingredients include chopped green chilies, diced jalapenos, broccoli, or pepper jack cheese just to name a few.
Recipe by Pray Cook Blog at https://praycookblog.com/what-have-you-turkey-and-rice-casserole/