5 ice cubes
5 hard peppermint candies
1 tablespoon dark chocolate chips (such as Ghirardelli® 60% Dark Chocolate)
4 scoops softened vanilla bean ice cream, or more to taste
1/2 teaspoon peppermint extract, or to taste
3 drops red food coloring
1/2 cup skim milk, or as needed
Blend ice cubes, peppermint candies, and chocolate chips together in a blender until evenly blended and slightly grainy. Add ice cream, peppermint extract, and red food coloring; blend until smooth. Add milk and blend until desired consistency is reached.