Barbecued Pot Roast

Ingredients:

• 1 pot roast, about 4 pounds
• 2 teaspoons salt
• 1/4 teaspoon pepper
• 2 tablespoons butter
• 1/2 cup water or beef broth
• 1 can (8 ounces) tomato sauce
• 2 medium onions, sliced
• 2 cloves garlic, crushed and minced
• 2 tablespoons brown sugar
• 1/2 teaspoon dry mustard
• 1/4 cup vinegar
• 1/4 cup ketchup
• 1/4 cup lemon juice
• 2 teaspoons Worcestershire sauce

Preparation: