Beef Stroganoff

Ingredients

• 1 1/2 c. fresh sliced mushrooms
• 1 medium onion, chopped
• 1 clove garlic, minced
• 2 Tbsp. margarine or butter
• 1 lb. boneless beef sirloin steak (1/2-inch thick), cut across grain in thin strips
• 3 Tbsp. all-purpose flour
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 1 c. hot water
• 1 Tbsp. sherry
• 2 instant beef bouillon
• 1/2 tsp. Worcestershire sauce
• 1 c. dairy sour cream
• catsup