Roasted Eggplant and Caramelized Onion Grilled Cheese | Food Stuff

Ingredients

• 2 medium eggplants (about 1-1/2 lbs), peeled
• 2 cloves garlic, very finely chopped
• 3 ounces goat cheese, softened
• 3 tablespoons mayonnaise
• Olive oil
• Salt and freshly ground black pepper
• 3 ounces mozzarella cheese, shredded
• 8 slices sourdough bread
• 1 large sweet onion, thinly sliced, separated into rings
• 1 large tomato, thinly sliced