Grill Potatoes
["6 potatoes", "1/4 c. vinegar", "1/4 c. olive oil", "2 Tbsp. fresh lemon juice", "black pepper (optional)"]
["Cut potatoes into thick wedges, leaving skin on.", "Combine remaining ingredients.", "Brush mixture on potatoes.", "Brown 15 minutes on each side."]
["potatoes", "vinegar", "olive oil", "lemon juice", "black pepper"]