French onion dips are made from onions as the name suggests. Green onions are usually the onions of choice for using in French onion dips. The French onion dip can be served with potato chips, grilled vegetables and grilled meats. Meat bullions are often used in the French onion dips with beef bullions being the most popular. The French onion dip uses cream cheese as the base is usually seasoned with fresh ground pepper. The French onion dip is best served chilled.