Step 1

Line a baking dish with parchment paper or aluminum foil sprayed with non-stick cooking spray.

Step 2

Set aside.

Step 3

Add the white chocolate chips and frosting to a microwave safe mixing bowl.

Step 4

Microwave at 15 second intervals stopping and stirring between each interval, until white chocolate chips are completely melted.

Step 5

Stir together until completely mixed.

Step 6

Quickly spread in an 8x8 baking dish.

Step 7

Top with sprinkles if desired.

Step 8

Chill for 30 minutes to an hour, or until firm.

Step 9

Remove from the pan and cut into squares.

Step 10

Store in refrigerator - fudge is better the second day.