Best Macaroni Salad - cooking recipe

Ingredients

8 ounces elbow macaroni (4 cups cooked)
1 (7 ounce) can tuna, drained (optional)
1 green pepper, chopped
1 tomatoes, chopped
1 cup low-fat mayonnaise
2 tablespoons vinegar
2 teaspoons prepared mustard
1 1/2 teaspoons salt
1/8 teaspoon pepper
1/2 teaspoon celery seed

Preparation

Combine the macaroni, tuna, pepper and tomato.
Mix together the mayonnaise, vinegar, mustard, salt, pepper and celery seeds, and stir into the macaroni mixture.
Chill.