If you’re on the hunt for an irresistible cookie deal, look no further! Insomnia Cookies is currently celebrating their 20th birthday by offering you a mouthwatering deal: 20 COOKIES FOR $20. But hold on, there’s more sweetness in store for you! Use the code “5FRIENDS” during checkout, and you’ll get an extra $5 OFF, bringing the grand total to just $15 for all 20 cookies! Please note that this offer is valid for Classic cookies only, but you can also include limited-time-only flavors for a small additional charge.