evidence: No, there isn’t antifreeze in your Pop-Tarts, ice cream or cake mix [...] A May 17 Instagram reel called out Pop-Tarts, Blue Bunny and Cold Stone Creamery ice cream, Betty Crocker and Duncan Hines cake mixes, Dunkin’ flavored iced teas and Fireball whisky, claiming these products "have antifreeze in them." [...] An Instagram reel claimed certain foods and drinks "have antifreeze in them" because they contain propylene glycol, an additive.