Rich, creamy macaroni salad with fresh vegetables and optional protein, perfect for picnics and barbecues.
2 cups elbow macaroni
1/2 cup mayonnaise
1 tablespoon Dijon mustard
1 tablespoon apple cider vinegar
1 teaspoon sugar
1/2 teaspoon salt
1/4 teaspoon black pepper
2 celery stalks, finely diced
1/2 red onion, finely chopped
1/2 red bell pepper, diced
2 hard-boiled eggs, chopped (optional)
2 tablespoons chopped fresh parsley or dill