This makes a quick and delicious lunch. Serves 1 1 small avocado, sliced 5 ounces canned tuna, drained 1 large handful lettuce leaves of your choice, shredded 2 slices of red onion 2 radishes, sliced ½ cup cherry tomatoes, halved 1 tablespoon apple cider vinegar ½ teaspoon dried Italian herbs ¼ cup sliced parmesan cheese Place all ingredients into a bowl, toss and serve.