16 fluid ounces peppermint schnapps
16 fluid ounces white creme de cacao
2 quarts half-and-half
1 splash grenadine syrup
16 small candy canes
Mix schnapps, creme de cacao, half-and-half, and grenadine together in a pitcher; refrigerate until chilled, at least 1 hour.
Stir mixture before pouring into martini glasses to serve; garnish each glass with a candy cane.