Mix crust ingredients together until crumbly

Pat down crust into a 9x13 pan, lightly greased

Bake crust for 20-30 minutes at 350º until lightly browned, then allow to cool

Blend cream cheese, Cool Whip, and powdered sugar together and spread evenly on top of cooled crust

Prepare Lemon Jello according to package instructions and pour over the cream cheese layer

Refrigerate for 2 or more hours before serving