My family has been making this for years, and it is my absolute favorite dish!

Ingredients

• 2 cups macaroni
• 2 (5 ounce) cans tuna, drained
• 1 onion, chopped
• 1 green bell pepper, chopped
• 2 stalks celery, chopped
• 2 teaspoons garlic powder
• 1 ½ cups mayonnaise
• 2 tablespoons prepared mustard
• salt to taste
• ground black pepper to taste

Directions

1. Cook noodles in a large pot of boiling water until al dente. Rinse under cold water, and drain.
2. Mix tuna, onion, bell pepper, celery, garlic powder, mayonnaise, salt and pepper, and mustard together in a large bowl. Add pasta, and mix well.

SOURCE : ALLRECIPES