Ultimate Grilled Sundried Tomato Caprese Panini

Ingredients

• 4 slices of sourdough bread
• 1 cup fresh mozzarella cheese, sliced (about 240g)
• 1/2 cup sun-dried tomatoes, chopped (in oil, well-drained, about 80g)
• 1/2 cup fresh basil leaves (about 15g)
• 2 tablespoons pesto (optional, about 30g)
• 2 tablespoons olive oil (about 30ml)
• Salt and pepper, to taste