When you’re attending one holiday party after another, all of those calories can add up fast.

The average American gains 1-2lbs between Thanksgiving and New Year’s Day—which probably shouldn't come as a surprise, considering all the heavy foods, desserts, and drinks typical of the holiday season.

Fortunately, making a few simple swaps (or just avoiding the worst calorie bombs on the appetizer table) can save you from dreaded holiday weight gain. Here are seven holiday foods that pack enormous amounts of calories—and what to eat instead.