Ingredients for macaroni salad vary depending on the recipe, but mayonnaise, onions and celery are usually included in addition to elbow macaroni. Bell peppers, mustard, pickles and seasonings such as salt and pepper are other common ingredients.
Macaroni salad is a pasta salad that people can make with a number of different vegetables, sauces and spices. A recipe for American macaroni salad from The Food Network combines macaroni with celery, onion, parsley and tomato and includes a sauce made with mayonnaise, mustard, sugar, vinegar, sour cream and salt. Paula Deen's macaroni salad recipe uses chopped hard-boiled eggs, green onions, chopped pimento, and green bell and lemon peppers, with a house seasoning that includes salt, garlic powder and black pepper.
A classic macaroni salad recipe uses 4 cups of elbow macaroni. In a large bowl, mix 1 cup of mayonnaise, 1/4 cup of white vinegar, 2/3 cup of sugar, 2 1/2 tablespoons of mustard, 1 1/2 teaspoons of salt, and 1/2 teaspoon of black pepper. Stirs in the macaroni with one chopped onion, two stalks of chopped celery, one chopped green bell pepper, and optional additions of grated carrots and pimentos. Refridgerate the salad for at least four hours before serving.