1. Prepare, bake and cool cake mix according to directions for cupcakes.
2. Meanwhile, in medium bowl, blend together 3/4 cup peanut butter and frosting until smooth; spread evenly over cupcakes.
3. In small microwave-safe bowl, microwave remaining 1/2 cup peanut butter on HIGH (100%) 30 seconds or until melted. Drizzle over cupcakes.
This recipe is recommended for 24 servings.