Barbecued Ribs and Kraut

Ingredients

• 4 lbs. spareribs
• 2 tablespoons butter
• 1/2 cup finely chopped onions
• 1 cup water
• 1 cup ketchup
• 2 tablespoons vinegar
• 2 tablespoons lemon juice
• 2 tablespoons worcestershire sause
• 2 tablespoons brown sugar
• 1 teaspoon dry mustard
• 1 teaspoon salt
• 1/4 teaspoon pepper
• 2 16 oz jar sauerkraut