Beef Stroganoff - cooking recipe

Ingredients

2 lb. steak, sliced
1 small onion
1 c. ketchup
1 c. sour cream
1 can cream of mushroom soup
4 dashes of Worcestershire sauce
3 Tbsp. butter
egg noodles

Preparation

Saute onions in butter.
Add meat; brown.
Add other ingredients.
Simmer covered 20 minutes.
Cook noodles.
Drain. Serve beef over noodles.