Creating delicious macaroni salad is straightforward if you follow these simple steps:

1. Cook the Pasta: Bring a large pot of salted water to a boil. Add the elbow macaroni and cook according to package instructions until al dente. Drain and rinse under cold water to cool.
2. Prepare the Vegetables: While the pasta cools, dice the celery and onion finely.
3. Make the Dressing: In a large bowl, mix together mayonnaise, Dijon mustard, salt, and pepper to taste until smooth.
4. Combine Ingredients: Add the drained macaroni, diced celery, and onion to the bowl with the dressing. Stir well to ensure everything is coated evenly.
5. Chill: Cover the bowl with plastic wrap or a lid and refrigerate for at least 30 minutes to allow the flavors to meld together.
6. Taste and Adjust: After chilling, taste the salad and adjust the seasoning if necessary by adding more salt, pepper, or even a hint of vinegar for added zing.

This step-by-step approach guarantees that your macaroni salad will be a hit at your next gathering!