1. Make 2 espresso shots or 4 oz of strong coffee. Let it cool completely.
2. Blend the espresso, ice, milk, 1/4 cup caramel sauce, and the vanilla extract in a blender on high until the ingredients are fully combined and the ice is crushed.
3. Drizzle caramel sauce around the inside of the glass.
4. Pour the frappé into a glass.
5. Top with whipped cream and a drizzle of caramel sauce(optional).