01 - Line an 8-inch square baking pan with parchment paper, leaving an overhang on two sides for easy removal later.
02 - Combine white chocolate chips, sweetened condensed milk, and butter in a medium saucepan over low heat. Stir constantly until melted and smooth, approximately 5-6 minutes.
03 - Remove from heat and stir in vanilla extract. Let cool for 2 minutes, then fold in half of the chopped candy eggs.
04 - Pour mixture into the prepared pan and smooth the top evenly with a spatula.
05 - Sprinkle remaining candy eggs and pastel sprinkles evenly over surface, gently pressing to adhere.
06 - Refrigerate for at least 2 hours until completely firm and set.
07 - Lift fudge from pan using parchment overhang and cut into 24 equal squares.