Ingredients

Instructions

  1. Spray the grill rack with nonstick spray; prepare the grill for medium-hot fire.
  2. Combine the ketchup, Worcestershire sauce, vinegar, mustard, and pepper in small bowl; mix well.
  3. Brush the potato slices on both sides with the ketchup mixture.
  4. Grill the potatoes 5 inches from heat, turning frequently and brushing with the remaining ketchup mixture, until browned on the outside and tender when pierced with a barbecue fork, about 8 minutes.