brown hamburger; i added chopped onion and garlic, a splash of worcestershire sauce and salt, pepper, lawry's seasoning

drain meat

mix corn, peas, carrots, and mushroom soup with the hamburger in a casserole dish

use instant mashed potatoes; or peel, boil, and mash about 5 potatoes with milk, butter, salt and pepper

spread potatoes over hamburger and vegies

bake at 375 for 15 min

add shredded cheese on top if wanted and put back in oven for 3-5 min.