01 -
Line an 8×8 inch baking pan with parchment paper and lightly coat with nonstick cooking spray.
02 -
Combine semi-sweet chocolate chips with half the sweetened condensed milk (about 7 oz) in a medium bowl. Melt in the microwave in 30-second intervals, stirring between each, until smooth. Stir in 1 teaspoon of vanilla extract.
03 -
Pour the melted semi-sweet chocolate mixture into the prepared pan and spread evenly with a spatula.
04 -
In a clean bowl, combine white chocolate chips with the remaining condensed milk (about 7 oz). Melt in the microwave using 30-second bursts, stirring frequently until smooth. Incorporate 1 teaspoon of vanilla extract and 2 tablespoons of Christmas sprinkles.
05 -
Evenly spread the white chocolate mixture over the semi-sweet chocolate layer while it is still slightly warm to ensure adherence.
06 -
Top the white chocolate layer with additional sprinkles and refrigerate for at least 1 hour until fully set before slicing.