01 -
Add the chilled coffee, milk, creamy peanut butter, chocolate syrup, and ice cubes to a blender. Blend on high speed until the mixture is smooth, frothy, and all ingredients are well incorporated, about 30-45 seconds.
02 -
Pour the blended frappuccino mixture into a tall glass. If it's too thick to pour easily, you can use a spoon to help transfer it from the blender to the glass.
03 -
Top the frappuccino with a generous swirl of whipped cream if desired. Drizzle with additional chocolate syrup for extra flavor and visual appeal.
04 -
Sprinkle the chopped pieces of Reese's peanut butter cup over the whipped cream as a garnish. Serve immediately with a straw and long spoon to enjoy all the toppings.