San Francisco Stroganoff
["1 1/2 lb. ground beef", "2 Tbsp. butter or margarine", "1 c. peeled, sliced onion", "1/2 c. mayonnaise", "1 pkg. sour cream sauce mix", "1 beef bouillon cube, in 1 1/3 c. boiling water", "1/4 lb. fresh mushrooms, sliced", "1/4 tsp. pepper"]
["Shape ground beef into balls.", "Brown in butter.", "Add 1 sliced onion; cook until tender."]
["ground beef", "butter", "onion", "mayonnaise", "sour cream sauce mix", "bouillon cube", "fresh mushrooms", "pepper"]