01 - Add vanilla ice cream, milk, peppermint extract, vanilla extract, and green food coloring to blender canister.
02 - Blend on high speed until completely smooth and creamy, approximately 45-60 seconds. Add additional milk 1 tablespoon at a time if thinner consistency desired.
03 - Taste shake and adjust peppermint extract or food coloring as needed. Add extract in 1/8 teaspoon increments to avoid overpowering flavor.
04 - Pour evenly into two tall glasses, filling each approximately three-quarters full to allow room for toppings.
05 - Top with whipped cream, place maraschino cherry on crown, and sprinkle with green decorations. Serve immediately while cold.