Crock Pot Swiss Steak


2 tbsp. flour
1/2 tsp. salt
1/4 tsp. pepper
1 1/2 – 2 lb. round steak
1 med. onion, diced
2 tbsp. butter
1 can tomato soup or equivalent whole tomatoes, or stewed tomatoes
1/2 c. water
1 1/2 tsp. vinegar


Combine flour, salt, pepper and pound mixture into steak. Brown steak in butter and onion. Add tomato soup, water, vinegar and place in Crock Pot. Let simmer 3 to 4 hours (is more tender if left all day).