→ Bread
01 - 4 slices sourdough bread or sturdy bread of choice
→ Cheese
02 - 4 oz fresh mozzarella, sliced
03 - 2 oz sharp provolone or fontina, sliced
→ Pesto
04 - 3 tbsp basil pesto, store-bought or homemade
→ Butter
05 - 2 tbsp unsalted butter, softened
→ Optional Additions
06 - 2 tbsp grated Parmesan cheese
07 - 1 small tomato, thinly sliced
08 - Freshly ground black pepper to taste