Quick Beef Stroganoff
["1 lb. boneless sirloin steak", "1 onion, thinly sliced", "2 Tbsp. margarine", "1 (4 oz.) can sliced mushrooms", "1/2 tsp. paprika", "1/2 c. sour cream", "3/4 c. water", "1 c. brown gravy mix"]
["Note:", "Can use canned gravy instead of packaged gravy, but cut back on the water to 1/4 cup."]
["boneless sirloin steak", "onion", "margarine", "mushrooms", "paprika", "sour cream", "water", "brown gravy mix"]