Peel, cut up and boil potatoes. While potatoes are cooking, brown hamburg together with chopped onions. Mash potatoes with a little milk and butter to taste.
In a 9 x 13 casserole baking dish, spread cooked hamburg on bottom layer of dish, mix both cans of corn together and spread on top of hamburg.Next, top with mashed potatoes. Bake in oven (350*) for about 20- 30 minutes until potatoes are golden brown. Great with applesauce and hot rolls.