01 - Add vanilla ice cream, whole milk, peppermint extract, fresh mint leaves, and granulated sugar to blender canister.
02 - Blend on high speed until completely smooth and creamy, approximately 30-45 seconds.
03 - Taste mixture and add additional sugar or peppermint extract if needed to achieve desired sweetness and mint intensity.
04 - Pour blended milkshake evenly into two chilled serving glasses.
05 - Top each serving with generous whipped cream swirl and finish with one maraschino cherry.
06 - Insert straws and serve right away while milkshake maintains optimal texture and temperature.