Tomato and Goat Cheese Tarts

INGREDIENTS

• Kosher salt and freshly ground black pepper
• 4 ounces garlic-and-herb goat cheese (recommended: Montrachet)
• 1 large tomato, cut into 4 (1/4-inch-thick) slices
• 1 package (17.3 ounces/2 sheets) puff pastry, defrosted
• 2 teaspoons minced fresh thyme leaves
• 3 tablespoons dry white wine
• 3 large garlic cloves, cut into thin slivers
• 3 tablespoons julienned basil leaves
• Good olive oil
• 4 cups thinly sliced yellow onions (2 large onions)
• 4 tablespoons freshly grated Parmesan, plus 2 ounces shaved with a vegetable peeler