1 lb. ground beef
1/2 c. chopped onion
4 oz. can sliced mushrooms, drained
1/2 tsp. garlic salt
1/2 tsp. dry mustard
1/2 c. mayonnaise
1/2 c. dairy sour cream or yogurt
1/2 c. beef bouillon
Hot rice or noodles

Saute first 5 ingredients in skillet until beef is browned and onion is tender. Drain fat. Combine next 3 ingredients; stir into meat mixture. Cook over low heat 10 to 15 minutes or until hot. Serve over rice or noodles.