As the headline suggests, bar cookies are pretty much unparalleled when it comes to baking for a crowd, whether for your kid's bake sale, a potluck feast, or a casual backyard barbecue. Easy to make, crowd-pleasing, and simple to scale into large batches, these 30 options are sure to satisfy.
Get the recipe: chocolate-frosted peanut butter bars.
Get the recipe: Reese's Peanut Butter Cup blondies.
Get the recipe: pumpkin cream cheese bars.
Get the recipe: salted brown butter blondies.