Brown 1.5 lbs. ground beef, add some garlic powder and course-ground black pepper to taste. Spread on the bottom of baking dish sprayed with cooking spray.
Top cooked ground beef with canned (drained) or frozen corn.
Top corn with mashed potatoes sprinkled with some shredded cheddar cheese.
Bake 350 oven for 45 minutes! Let sit 10 minutes out of oven before cutting.