To a large pan on the stove of medium heat, add in the ground beef, break the ground beef up and cook it through. Once it’s cooked through add it into a large bowl along with the chopped up vegetables, hashbrowns, instant rice, tomato sauce, water, diced tomatoes, seasonings, and 1/2 cup of the cheese. Stir well.
Spray a 9x13 baking dish with nonstick spray add the casserole in and spread it out, cover tightly with aluminum foil and bake for 60 minutes.
Remove the foil. Sprinkle the remaining cheese over the top and bake it for an additional 15 minutes.