01 - Combine the vanilla ice cream, milk, peppermint extract, vanilla extract, and green food coloring in a blender.
02 - Blend until completely smooth and creamy. Add additional milk if a thinner consistency is preferred.
03 - Taste the mixture and adjust peppermint extract or food coloring as needed for desired flavor intensity and color.
04 - Pour the shake into two tall glasses. Top with whipped cream, a maraschino cherry, and green sprinkles if desired. Serve immediately while cold.