Mozzarella Grilled Cheese

INGREDIENTS

• Kosher salt and freshly ground black pepper
• 1 ball (1 pound) fresh mozzarella, cut into 1/4-inch slices
• 4 slices thick-cut sourdough bread
• 1/2 cup extra-virgin olive oil
• 2 plum tomatoes, cut into thick slices
• 1/2 cup Parmesan or Romano
• 1/2 cup pine nuts
• Extra-virgin olive oil
• 1 cup fresh basil pesto, recipe follows
• 2 cups fresh basil leaves
• 1/4 teaspoon salt
• 2 garlic cloves
• 1 cup fresh Italian parsley leaves