There’s nothing more refreshing than a cold bite of pasta salad on a hot day, but when it’s 80°F in your backyard, the heat might threaten to wilt your outdoor buffet—and even cause things to spoil. The U.S. Department of Agriculture (USDA) recommends leaving food out for no longer than two hours without refrigeration. That might feel hard to do at an outdoor event, but we know over a dozen ways to keep food cold all day long.

So go ahead! Prep that gorgeous fruit salad or a cold pasta salad, and use these tricks to maintain your meal’s freshness, no matter how long your party lasts.