2 cans (6 oz. each) white tuna packed in water, drained
1/4 cup fat free zesty italian salad dressing
1 loaf (12 oz) Italian Bread, split horizontally and toasted
2 plum tomatoes, sliced
6 oz. sliced part skim mozzarella cheese
2 Tbsp. chopped ripe olives
Combine tuna and dressing, spread evenly over bottom half of loaf. Divide remaining ingredients over tuna mixture. Top with top half of loaf; slice into 6 portions.