Measure out Chex mix and place in a large bowl. Measure out powdered sugar and crushed Oreos and place in a large plastic bag or Tupperware with a lid (you'll need to shake the Tupperware later).
Melt chocolate and stir until smooth. Pour chocolate over Chex mix and stir until cereal is coated. Pour cereal mix into powdered sugar/Oreo mix. Shake, shake, shake until cereal is coated. Dump onto a cookie sheet to cool. Make cookie mix.
Cookie Mix:
Measure out Chex mix and place in a large bowl. Measure out powdered sugar and crushed Oreos and place in a large plastic bag or Tupperware with a lid (you'll need to shake the Tupperware later).
Melt chocolate and stir until smooth. Pour chocolate over Chex mix and stir until cereal is coated. Pour cereal mix into powdered sugar/Oreo mix. Shake, shake, shake until cereal is coated. Dump onto a cookie sheet to cool. Blend cream mix with cookies mix.
Store mix in a covered container on the counter for about 3 days.