Hearty Ham and Onion Melt Ingredients Vegetable cooking spray 1 small red onion, thinly sliced 3 tbsp. balsamic vinegar 4 slices Pepperidge FarmŽ 100% Natural Honey Flax Bread 2 oz. deli-sliced reduced-sodium ham 2 oz. sliced Muenster cheese or Provolone cheese Directions Spray a 10-inch skillet with the cooking spray and heat over medium heat for 1 minute. Add the onions and cook until they begin to soften. Add the vinegar and cook for 2 minutes or until the onions are tender. Top 2 bread slices with the ham, cheese, onion mixture and remaining bread slices. Spray the skillet with the cooking spray and heat over medium heat for 1 minute. Add the sandwiches and cook until they're lightly browned on both sides and the cheese is melted. Back