Ingredients: 1 can tuna in water 1 green apple, chopped 1 Tbs dried cranberries 1 Tbs walnuts, chopped 1 Tbs Dijon mustard 1 Tbs rosemary, chopped Salt and black pepper to taste Directions: Combine the tuna, apples, cranberries, walnuts, mustard, and rosemary in a bowl. Stir until combined, adding salt and pepper to taste. Serve on a lettuce leaf.