Tuna Club Sandwich with Giorgio's Buffalo Mozzarella

Ingredients

• 6 slices of square bread
• 200g canned tuna in spring water, drained
• 125g Giorgio's Buffalo Mozzarella, thinly sliced
• ½ Romain lettuce, separated
• 1 tomato, sliced
• 4-5 tbsp mayonnaise
• 1 hard-boiled egg, finely chopped
• 1 spring of basil, finely chopped
• 1 French shallot, finely chopped
• Zest 1 lemon