Step 1

In a heavy pan melt butter over medium heat.

Step 2

Add in marshmallows and 1 1/3 C of white chocolate chips and stir until melted

Step 3

Stir in cereal and 2 C of broken cookies.

Step 4

Put into a greased 9x13 pan.

Step 5

Melt 1/2 C white chocolate chips and spread over top.

Step 6

Sprinkle with remaining cookie.

Step 7

Cool to room temperature and serve.