evidence: FACT CHECK: No, There Is Not Antifreeze In Foods Such As Pop-Tarts, Ice Cream Or Cake Mixes A video shared on Instagram claims food such as Pop-Tarts, ice cream and cake mixes contain antifreeze. [...] The Instagram post claims several common foods contain a chemical that is toxic to humans. The video shows a man listing off foods he claims contain antifreeze, such as Pop-Tarts, ice cream from Blue Bunny and ColdStone Creamery, Dunkin iced teas, Betty Crocker and Duncan Hines cake mixes and Fireball whiskey.