4 slices of bread
1 ball fresh mozzarella, room temperature, sliced 1 / 4 inch thick
1 large ripe tomato, the ambient temperature, sliced 1 / 4 inch thick
pepper to taste
4 tablespoons basil pesto
2 tablespoons olive oil
Assemble the sandwich and grill until golden brown and cheese is melted, about 2-3 minutes per side.