Recipe for 4 Ingredients: 1 cup dried breadcrumbs 2 cans (150grs/each) tuna in water, well-drained 1/4 cup shredded carrot 4 green onions, thinly sliced 1 egg, slightly beaten 1/2 Teaspoon freshly ground pepper 1/4 teaspoon salt 1 tablespoon lemon juice 1 tablespoon olive oil 3 tablespoons of unsalted butter for frying For serving: 8 slices Cheese 8 buns, cut in half horizontally 8 teaspoons