Spray an 8x8 or 9x9 pan with cooking spray

In large pan melt butter.

Stir in the marshmallows until melted.

Once marshmallows are melted stir in the fruit loops until evenly coated.

Pour into prepared pan and press down (using greased fingers) until distributed evenly in pan, let set.

In microwave melt chocolate chips according to package directions. Once melted spread on top of cooled bars.

Sprinkle with colored sprinkles, cut into bars and enjoy!