Crock Pot Swiss Steak

Grrrrrgh!
Course : Crockpot
From: HungryMonster.com
Serves: 4-6
 

Ingredients:

2 tablespoons flour
1/2 teaspoon salt
1/4 teaspoon pepper
1 1/2 pounds round steak -- (up to 2)
1 medium onion -- diced
2 tablespoons butter
1 can tomato soup or equivalent whole tomatoes or stewed tomatoes
1/2 cup water
1 1/2 teaspoons vinegar
 

Preparation:

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).