01 -
Take two gallon-sized zip bags. Fill each bag with 1½ cups of powdered sugar. Put them aside for now.
02 -
Use a microwave-safe bowl to melt the green chips by heating in 30-second bursts, stirring in between. It'll take 1–2 minutes. Stir in half the cookie bits and 4½ cups of cereal using a rubber spatula.
03 -
Move the mint-coated cereal mix into one zip bag. Seal it tightly and shake until everything's covered. Dump the mix into a big serving bowl and leave it there for now.
04 -
In the same bowl, melt the chocolate chips in the microwave, following the same 30-second bursts and stirring pattern. Mix the rest of the cereal and cookie chunks into the melted chocolate with the spatula.
05 -
Put the chocolate-coated pieces into the second sugar bag. Seal and shake until coated. Pour this into the same serving bowl with the mint mix. Gently stir it all together and serve.