Snowflake Cocktail

Ingredients

• 1/2 cup ice cubes, or as desired
• 1 (1.5 fluid ounce) jigger spiced rum
• 1 (1.5 fluid ounce) jigger hazelnut liqueur (such as Frangelico(R))
• 1 (1.5 fluid ounce) jigger butterscotch schnapps
• 1 (1.5 fluid ounce) jigger vanilla-flavored vodka
• 1 tablespoon half-and-half, or to taste
• 1 pinch ground cinnamon, or to taste
• 1 pinch ground nutmeg, or to taste