01 - Line a 9x13 inch baking sheet with parchment paper, ensuring complete coverage to prevent sticking.
02 - Place white chocolate in a microwave-safe bowl. Heat in 30-second intervals, stirring thoroughly between each burst, until completely smooth and melted. Alternatively, melt over a double boiler using simmering water.
03 - Let the melted chocolate cool for 2 minutes to prevent marshmallows from melting completely. Gently fold in the mini marshmallows until evenly distributed.
04 - Pour the chocolate-marshmallow mixture onto the prepared baking sheet. Using a spatula, spread into an even layer approximately 1/2 inch thick.
05 - Sprinkle chopped candy eggs and pastel sprinkles generously over the surface. Press lightly with the spatula to ensure toppings adhere to the chocolate.
06 - Refrigerate the bark for at least 1 hour until completely firm and set throughout.
07 - Break or cut the bark into irregular pieces. Serve immediately or store in an airtight container at room temperature for up to one week.