Grilled Barbecued Chicken

Ingredients 1 large onion, chopped 2/3 cup butter, melted 6 tablespoons cider vinegar 4 teaspoons sugar 1 tablespoon chili powder 2 teaspoons salt 2 teaspoons Worcestershire sauce 1-1/2 teaspoons pepper 1-1/2 teaspoons ground mustard 1/2 teaspoon hot pepper sauce 2 garlic cloves, minced 6 bone-in chicken breast halves (4 to 5 pounds), skin removed Directions … Read more