Summer Tomato Tonnato

Ingredients

• 5 tablespoons extra-virgin olive oil

• 1 three-ounce can imported tuna packed in olive oil, drained and flaked

• ¼ cup mayonnaise

• 2 teaspoons drained capers

• 2 teaspoons fresh lemon juice

• 2 anchovy fillets, optional

• 1 fat garlic clove, smashed and peeled

• 2 tablespoons tightly packed basil leaves, more for garnish

• 2 pounds mixed tomatoes, large ones cut in slices, small ones cut in wedges

• Coarse sea salt

• Black pepper

• Crusty bread, for serving