Pesto Tuna without mayonnaise

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 ,[...]

2 (15 1/2 ounce) cans chickpeas , roughly chopped 1 (12 ounce) jar roasted red peppers, drained and thinly sliced 24 black olives , pitted and roughly chopped[...]

6 ounces canned tuna 2 tablespoons pesto sauce 3 tablespoons ranch dressing or 3 tablespoons light ranch salad dressing 1 cup cheddar cheese , grated or 1 cup[...]