Step 1

Prepare an 8x8 baking dish by lining it with foil or parchment paper and lightly greasing with non-stick cooking spray.

Step 2

In a large mixing bowl, microwave together ¼ cup butter and the marshmallows for one minute. Stir until smooth (microwave for an additional 30 seconds if needed).

Step 3

Use a large rubber spatula to mix in the cereal.

Step 4

Press the mixture into the prepared baking dish.

Step 5

Let cool for 30 minutes before cutting and serving (speed set the treats by place in the refrigerator).