Beef Stroganoff - cooking recipe

Ingredients

3 lb. round steak, cut in 1/4 inch strips
1 medium onion
3 Tbsp. butter
1 can cream of mushroom soup
1 c. sour cream
1 Tbsp. Worcestershire sauce

Preparation

Saute onion in 1 tablespoon butter; add beef and cook in remaining 2 tablespoons butter.
Add soup, mushrooms, Worcestershire sauce and salt.
Simmer for 10 minutes.
Lower heat and add sour cream when mixture no longer boils.
Serve over noodles or rice.