Air-popped popcorn is a healthy snack—3 cups provide 4 grams of fiber for just 90 calories. But you may pop your top when you learn that some microwave popcorns—the ones that contain butter or caramel flavors, specifically—can contain up to 15 heart-stopping grams of trans fats per bag.

True, it’s easy to pop a bag in the microwave, but may we suggest investing in an air popper? Even if you drizzle your bowl with a few tablespoons of butter, you’ll be better off in the long run.

Or, for a non-prep snack without the trans fat, try:

Quinn Popcorn Vermont Maple & Sea Salt