AI-assisted summary
Frozen custard is similar to ice cream but contains egg yolks for a smoother texture.
BurgerFi is offering a free shake with any combo meal purchase for National Frozen Custard Day.
Other frozen custard chains like Andy's, Freddy's, Ritter's, and Whit's are also offering deals for National Frozen Custard Day.
Happy Frozen Custard Day!
This sweet, creamy treat is having its day in the spotlight with today's unofficial "National Frozen Custard Day" holiday.
What is frozen custard?
Wondering what frozen custard even is? Think ice cream, but with a twist: it's made with eggs in addition to cream and sugar.
According to the , the treat was invented in 1919 by ice cream vendors, Archie and Elton Kohr from Coney Island, New York. They found that adding egg yolks to ice