1 c. macaroni, cooked
1 c. cucumber, diced
1 1/2 c. flaked tuna
1 tbsp. minced onion
1/2 c. mayonnaise
1/2 tsp. salt
1/4 tsp. pepper
4 c. lettuce (in bite size pieces)

Mix all ingredients except for lettuce. Cover and refrigerate just before serving. Toss with lettuce. If desired, garnish with tomato wedges. Cooked chicken can be substituted for tuna.