1/2 avocado
2 tomatoes, diced 3/4 inch
2 c. shell macaroni, cooked
1/4 c. red onion, sliced
1 (6 oz.) can water packed tuna, drained
3 tbsp. bottled vinegar based dressing

Cut avocado half into large 3/4 inch dices. Combine all ingredients and gently toss together. Serves 2.