Preheat oven to 375 degrees. Crumble hamburger in fry pan then mince onion and add to hamburger salt and pepper to taste. Brown onions and burger then drain excess grease from mixture. Add burger mixture to a 8" deep Corning baking dish.
You can use more than one can of beans if you use a deep baking dish. After the burger is put in you will put the beans in next. Then you use as many tater tots as you want to cover the bean and burger mixture.
then you take the soup from the can and put in bowl add can of milk and whisk it together until smooth then pour it over the top of the hot dish. Cover with glass top or tin foil. Put in oven and bake with cover on for 50 minutes then take cover off and cook till it reaches temperature through out. (160 to 170 degrees)