1. 1. Preheat the oven to 375°F (190°C).

2. 2. Season the boneless chicken breast and beef with salt, pepper, and your favorite seasoning.

3. 3. In a bowl, mix all-purpose flour, baking powder, and baking soda to make a coating mixture for the chicken and beef.

4. 4. Coat the seasoned chicken breast and beef in the flour mixture, then dip them in beaten eggs and coat with bread crumbs.

5. 5. In a baking dish, layer the coated chicken and beef alternately with American cheese slices.

6. 6. Mix together beef gravy, cream of chicken soup, and cream of mushroom soup. Pour this mixture over the layered chicken and beef.

7. 7. Sprinkle grated parmesan cheese on top of the casserole.

8. 8. Bake in the preheated oven for 45-50 minutes until the chicken and beef are cooked through and the cheese is melted and bubbly.

9. 9. Serve hot with a side of green beans and corn.