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Combine all of the ingredients listed below in a blender, then pour them into a tall glass. Top it off with some whipped cream and chocolate drizzled on top. If you want to make a chocolate-caramel frappuccino instead, replace the sugar with caramel sauce instead.  ¼ cup (60 milliliters) strongly-brewed coffee 1 cup (240 milliliters) milk 1 teaspoon vanilla extract (optional) 3 tablespoons (22.5 grams)  powdered sugar 3 tablespoons (45 milliliters) chocolate sauce 10 ice cubes But a bottle of unblended frappuccino; you can find it at Starbucks and well-stocked grocery stores. Pour it into a blender with about 10 ice cubes. Blend it together until it is smooth, the pour it into a tall glass. Top it off with whipped cream, if desired.  1 bottle frappuccino 10 ice cubes

Summary:
Go classic with a mocha frappuccino. Make a simple frappuccino using a bottled frappuccino.