01 -
Line an 8x8-inch pan with parchment paper and grease with cooking spray.
02 -
Combine white chocolate chips and sweetened condensed milk in a large microwave-safe bowl. Microwave on medium power at 1-minute intervals, stirring with a fork after each minute, until melted and smooth.
03 -
Add vanilla extract and blue food coloring to the bowl. Stir until fully incorporated.
04 -
Pour the mixture into the prepared baking pan and top with sprinkles. Refrigerate for 3 hours until fully set.
05 -
Cut the fudge into squares and serve.