How many jars of mayonnaise for 10 lbs of potato salad?

The amount of mayonnaise needed for potato salad can vary based on personal taste and recipe. However, a common guideline is to use about 1 to 1.5 cups of mayonnaise per 5 lbs of potato salad. For 10 lbs, you would typically need around 2 to 3 cups of mayonnaise, which is approximately 1 to 1.5 jars, depending on jar size. Adjust according to your preference for creaminess.