Ingredient:

• 1 eggplant, peeled and sliced into 3/4-inch rounds
• 1 tablespoon margarine
• 6 slices Monterey Jack cheese
• 6 hamburger buns, split
• 6 leaves lettuce
• 6 slices tomato
• ½ onion, sliced
• ½ cup dill pickle slices
• 6 tablespoons ketchup, or to taste
• 3 tablespoons mayonnaise
• 2 tablespoons prepared yellow mustard