Ramekins are generally used for ketchup, mustard, Cole-slaw, Russian dressing, Barbecue sauce, mayonnaise, or any other sauce you may serve. The ramekin is a perfect tool for ketchup when serving french fries. The ramekin makes it easy for your guests to get sauce on their burgers, sandwiches, french fries, or any other dish your establishment may serve. Ramekins are a great addition to your house, serving sauces from ramekins is mother approved!