German Casserole - cooking recipe

Ingredients

1 lb. hamburger meat
1/2 chopped onion
1 tsp. salt
1 tsp. pepper
3 lb. potatoes, cut into 3/4-inch cubes
2 cans cut green beans, drained (reserve liquid)
2 c. milk
2 Tbsp. margarine
2 Tbsp. flour
4 oz. cheese

Preparation

Combine the first 4 ingredients and form into 1-inch meatballs. Brown in skillet, then drain.