swiss steak

• 2 tablespoons flour
• 1/2 tsp. salt
• 1/4 tsp. pepper
• 1 1/2 to 2 lb. round steak, cut in serving portions
• 1/2 cup chopped onion
• 2 tbsp. butter
• 1 can tomato soup or a can (14.5 ounces) stewed tomatoes
• 1/2 c. water (if using tomato soup)
• 1 1/2 tsp. vinegar

Combine flour, salt, and pepper; using a meat tenderizer or rolling pin, pound mixture into steak. Brown steak in butter with chopped onion. Add tomato soup, water, vinegar; transfer to crockpot. Cover and cook on LOW for 6 to 8 hours, or on HIGH for 3 to 4 hours.