Become BFF with your freezer. "I'm a big fan of freezing cookie dough," Chattman says. "You're always prepared for anything." She makes enough dough for 30 to 40 cookies over the weekend, freezes it in small batches, then takes out what she needs.
Accept the mess. You will sweep up sprinkles. But you can minimize the drips and spills by putting cookies on rimmed baking sheets lined with parchment paper before your kids decorate them, says Chattman.