Use two separate bowls and place 4 cups of rice chex cereal into each one

Use a food processor or a bag and rolling pin to crush the oreos into dust

Get two gallon bags out. In each bag place half of the oreo dust and ½ cup of powdered sugar

Melt the semi sweet chocolate chips until smooth, then pour over one of the bowls of chex cereal and gently stir to combine

Melt the white chocolate chips until smooth, and pour over the other bowl of chex cereal and gently stir to combine

Add the semi sweet chex to one bag and shake to combine. Add the white chocolate chex to the other gallon bag and shake to combine

Combine the two chex bags into a large bowl and serve