Sonic is kicking off the new year with the launch of their wildest flavor combination to date, the new Peanut Butter Bacon SuperSonic Double Cheeseburger and new Peanut Butter Bacon Shake, starting January 8, 2024. Sonic’s Peanut Butter Bacon SuperSonic Double Cheeseburger features two 100% pure beef patties layered with smooth and creamy peanut butter, … Continue reading Sonic Launches New Peanut Butter Bacon SuperSonic Double Cheeseburger And New Peanut Butter Bacon Shake