01 - Combine vanilla ice cream, whole milk, peppermint extract, and green food coloring in a blender. Blend until completely smooth and creamy, approximately 30-45 seconds.
02 - Add chopped semisweet chocolate chips to the blender. Pulse 2-3 times until chips are evenly distributed throughout the mixture while maintaining noticeable chunks.
03 - Divide the mint chocolate chip milkshake evenly between two tall glasses. Top each serving with a generous swirl of whipped cream.
04 - Sprinkle additional chocolate chips or chocolate shavings over the whipped cream. Garnish with fresh mint leaves if desired. Serve immediately while cold.