01 -
Line an 8 x 8-inch baking dish with parchment paper and lightly spray with cooking spray.
02 -
In a heavy saucepan, combine butter, eggnog, and sugar. Bring to a boil over medium-high heat, stirring constantly to prevent burning. Continue boiling until the mixture reaches 234°F on a candy thermometer, approximately 10 minutes.
03 -
Remove the saucepan from heat and immediately stir in the white baker's chocolate until fully melted.
04 -
Stir in marshmallow crème until fully blended. Add vanilla extract and ½ teaspoon of ground nutmeg, mixing thoroughly.
05 -
Pour the mixture evenly into the prepared baking dish. Sprinkle the remaining ½ teaspoon of ground nutmeg on top. Refrigerate for at least 4 hours until firm before cutting.