Gather the ingredients: Oreos, instant espresso, whole milk, chocolate sauce, chocolate chips, and ice.
Blend about six to eight Oreos, remove, and set aside.
Pull double shots of espresso, or prepare instant espresso with 2 oz of boiling water.
Pour milk and espresso into the blender.
Add the majority of crushed Oreos into the blender with liquid ingredients and save a small amount for garnish.
Add chocolate syrup or mocha sauce and chocolate chips to the blender.
Add ice and blend to desired consistency.
Add whipped cream and mocha sauce to the bottom of your serving cup.
Pour the blended frappuccino mixture into the cup.
Garnish the drink with vanilla whipped cream, the rest oreo cookie crumbles and mocha sauce drizzle.