1/2 cup Funfetti cake mix
1 1/4 oz. can sweetened condensed milk
2 cups white chocolate
1/4 cup sprinkles
Mix together sweetened condensed milk and cake mix in a large bowl.
Add white chocolate, then microwave until melted (stir every minute).
Stir in sprinkles.
Pour mixture into an aluminum foil-lined 8×8 inch pan.
Top with sprinkles.
Refrigerate for 2 hours until set.
Cut into 1/4 inch squares and serve.
For more details check out http://www.delish.com/cooking/recipe-ideas/recipes/a45746/birthday-cake-fudge/