Macaroni Salad Tuna Recipe

Ingredients:
3 cups macaroni
1/3 cup Italian-style salad dressing
1/2 cup sour cream
1 cup mayonnaise
1 onion, chopped
2 stalks celery, chopped
1/2 teaspoon garlic powder
1 teaspoon salt
1/2 teaspoon ground black pepper
1 (6 ounce) can tuna, drained

Directions:
1. Cook pasta in a large pot of boiling salted water until done. Drain.
2. Marinate macaroni in Italian dressing for 2 to 3 hours or overnight.
3. Mix sour cream, mayonnaise, onion, celery, garlic powder, tuna, and salt and pepper into macaroni. Chill.