Easy Tamale Loaf

1 pound ground beef
1 can olives, sliced (optional)
1 can cream style corn
3/4 teaspoon each salt and pepper
1/2 teaspoon chili powder
1 onion, chopped
1 can tomato sauce
1/2 cup cornmeal

Brown ground beef with onion in skillet, stirring until crumbly; drain. Mix in 1/2 cup water and remaining ingredients. Pour into casserole and bake at 350 degrees F for 1 hour.