01 - Into a blender, place the vanilla ice cream, whole milk, mint extract, green food coloring, and granulated sugar (if desired).
02 - Process ingredients on high speed until the mixture is completely smooth and creamy.
03 - Add the chocolate chips to the blender. Pulse briefly a few times to incorporate them, leaving small pieces for texture.
04 - Carefully pour the finished milkshake into two tall glasses.
05 - If desired, top each milkshake with a generous dollop of whipped cream, a sprinkle of extra chocolate chips, and a maraschino cherry. Serve immediately for optimal enjoyment.