You can sign up for Breyers Cookie Coverage at Breyers website here. Signing up with get you a coupon for 50 percent off a tub of Breyers Cookies & Cream plus an "official insurance certificate" for the Cookie Coverage. If you buy a tub and are "not completely satisfied with the cookie to cream ratio in the updated recipe" you can go back to the site and "file a claim" for a free tub of another variety of Breyers.
Cookie Coverage signups run through July 21, 2021 and the deadline to file coverage claims is August 31, 2021.
Photo via Breyers.