Mover over Portillo’s chocolate cake—there’s a new dessert on the menu!
Chicago’s favorite fast-casual chain just launched a cake flavor and accompanying cake shake. Here’s all the details.
Introducing Portillo’s birthday cake

Portillo’s has officially launched a limited-edition birthday cake, featuring two fresh baked sponge cake layers, creamy vanilla frosting, and a generous helping of rainbow sprinkles.
Diners can now purchase a full-sized cake, enjoy it by the slice, or sip it in a blended cake shake.
“Our new Birthday Cake continues the tradition of Portillo’s delighting guests with unparalleled food, flavor and fun, “ said Portillo’s representative Denise Lauer.
“We invite guests to celebrate birthdays, holidays and the everyday together with Portillo’s, and taste the nostalgic flavor of our new Birthday Cake and Cake Shake.”
Portillo’s birthday cake is available now at all locations through April 6.