How to Make Salad Safe (If Not Low-Calorie)

The question often is, “If I don’t have time to buy and cook vegetables, what’s wrong with picking up something at the deli?” The two most commonly consumed deli salads in the United States are coleslaw (cabbage with mayonnaise and/or a vinaigrette) and potato salad. Here’s how you can know they are not contaminated.

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