Brown hamburger; season with salt, pepper, garlic powder, and onion powder.
Combine cream of chicken, cream of mushroom and rice in a bowl, mix together throughly.
Spread hamburger evenly over cake pan, then spread soup and rice mixture evenly over hamburger. The rice will needed to be pre-cooked, if it is not instant or quick cooking rice. The rice will need too specify that it cooks within 15 minutes or less, or quick cooking.
Bake at 400 degrees covered 30 to 45 minutes. Uncover and add shredded cheese to the top, bake again until cheese is melted.