Pesto Tuna

4 slices Italian bread, cut 1-inch thick 1/2 cup pesto sauce 2 medium tomatoes , thinly sliced 2 (6 ounce) canned tuna , drained 4 slices mozzarella cheese ,[...]

1 (6 ounce) can canned tuna 1/4 cup prepared basil pesto sauce 6 oil-packed sun-dried tomatoes, drained and diced 2 tablespoons mayonnaise 2 tablespoons[...]

1 (6 ounce) can albacore tuna , drained 2 tablespoons pesto sauce 2 tablespoons red onions , minced 3 tablespoons celery , minced 3 tablespoons black olives ,[...]