Dice the onion and green bell pepper.

In a large skillet, brown the ground turkey with the onion soup mix, diced onion, and diced green bell pepper.

Drain any excess fat from the skillet.

Cook the brown rice according to the package directions.

Preheat oven to 375°F (190°C).

In a large casserole dish, combine the browned turkey mixture, cooked brown rice, cream of mushroom soup, cream of chicken soup, water, and mushrooms.

Mix all ingredients thoroughly.

Bake in the preheated oven for 45 minutes, or until bubbly and heated through.