Beef Stroganoff - cooking recipe

Ingredients

2 lb. sirloin steak
4 Tbsp. butter
1/2 Tbsp. minced onion
1/2 lb. sliced mushrooms
1/2 pt. sour cream
salt
nutmeg

Preparation

Pound sirloin or tenderloin very thin and cut into near finger-shaped pieces.
Melt half the butter in a large heavy pan. Add onion, cook and stir until onion is tender.
Add beef; cook quickly, about 5 minutes, browning on all sides.
Set aside.