Ask Dr. Potato

With 930 posts, chances are there's already an answer to your question. Please try searching below before submitting a question to Dr. Potato. Use multiple words to help narrow down the results. For example, search for "potatoes" and "group" if looking for an answer on cooking potatoes for large groups.

Back To Dr. Potato Home

Why Does Oil Come Out Of Potato Salad?


Why does oil come out of potato salad? Is it the type of mayo you use or is it because of the temperature of the potatoes?


If the mayo is added while the potatoes are still warm a lot of the oil in the mayo will be absorbed, but you probably will have to adjust to taste and add more. Cooling the potatoes then adding the mayo works best. The Kraft mayo ingredients list shows soybean oil first.

Learn more about All Things Potato Salads here!