Caramelized Onion & Eggplant Puff Pastry Tart

Ingredients

• olive oil mister or cooking spray
• 2 small (or baby) eggplants, halved lengthwise and cut into 1/4-inch slices
• salt and pepper to taste
• 1 tbsp. olive oil
• 2 onions, thinly sliced
• 1 puff pastry sheet, rolled into a large rectangle (about 9 x 12, but no need to be precise)
• 1/2 c. shredded mozzarella or italian-blend cheese
• 1/4 c. quartered kalamata olives
• 1/4 c. coarsely chopped roasted red peppers
• 1/4 c. basil, sliced into ribbons