1 lb. ground beef
1 tsp. prepared mustard
2 tbsp. A.1 Sauce
3/4 tsp. salt
1/4 tsp. pepper
2 tbsp. drained horseradish
1 can sm. onions, drained (15 1/2 oz. can)
1 c. sour cream

Mix together all ingredients except onions and sour cream. Shape into 4 patties, pan fry. When done, add onions and sour cream. Heat and serve.