Strips Of Beef Casserole - cooking recipe

Ingredients

1 lb. round steak
oil to brown steak
1 1/2 c. chopped onion
2 Tbsp. flour
1 c. canned tomatoes
1 (6 oz.) can tomato paste
1 c. water
1 1/2 tsp. salt
1/4 tsp. pepper
3/4 c. mushrooms
3/4 c. sour cream*
1 Tbsp. sugar
1/2 tsp. Worcestershire sauce

Preparation

* May substitute 1 can cream of mushroom soup.