Shake Shack Starts 2020 with Trio of Limited-Time Shakes Including Cookie Butter

Calling them the "Classic Comfort Trio," Shake Shack rotates three limited-time shakes onto the menu to start off 2020.

The three shakes include:

- Cookie Butter - Vanilla frozen custard mixed with cookie butter, topped with whipped cream and speculoos cookie crumbles.

- Malted Milk Chocolate - Vanilla and chocolate malted frozen custard blended together and topped with whipped cream and crushed chocolate.

- Frozen Hot Chocolate - Chocolate frozen custard mixed with cocoa powder, topped with whipped cream, cocoa powder, and mini marshmallows.

Photo via Shake Shack.