1 lb. hamburger, browned
Small onion, optional and browned
1 can (10 3/4 oz.) cream of mushroom soup
1 pt. peas
1 1/2 c. Cheddar cheese
1 lb. box tater tots

Layer above ingredients in casserole dish in order as given. Bake at 325 degrees for approximately an hour, when cheese is bubbly.