Beef Stroganoff - cooking recipe

Ingredients

1 lb. boneless beef sirloin or top round steak (3/4-inch thick)
1 Tbsp. oil
1 medium onion, sliced
1 (4 oz.) can mushrooms, drained
1 Tbsp. catsup
3/4 Tbsp. Worcestershire sauce
1/2 tsp. pepper
1/4 tsp. salt
8 oz. sour cream or French onion dip
1 can cream of mushroom soup

Preparation

Salt and pepper meat.
Place beef in a roasting pan, uncovered.
Put in oven at 375\u00b0 for 1 hour.
Turn off oven.
Do not open door!
Let set.