Melt 1 1/2 tablespoons butter in a large pot.

Add 20 marshmallows and stir over low heat until melted.

Stir in green food coloring until thoroughly coated.

Remove from heat and add 3 cups of cereal to marshmallows. Stir until cereal is well coated.

Coat a pie pan with non-stick cooking spray. Spray your hands with non-stick cooking spray and place the green cereal (while still warm) in the outer part of the pan, about 1 inch thick.

Repeat steps 1-3 above using red food coloring. Place the red cereal in the center of the pan, spreading out evenly with the green cereal.

Add a few mini chocolate chips to the top of the treats.

Let sit for at least 2 hours before slicing.