Preheat oven to 350.
Make batter according to box directions.
Fill Cones about half full of batter.
Place cones in muffin pan and bake about 21-24 minutes or until toothpick inserted in center comes out clean.
Allow to cool completely.
Whip butter and vanilla until fluffy.
Gradually add powdered sugar.
Add milk until you reach desired consistency.
Transfer to piping bag and frost each cupcake to look like soft serve.
Top with sprinkles and a cherry (optional).