Family Tested & Approved
margarine or butter
Mix first 3 ingredients until crumbly but not too soft.
Pat into a 9x13 and bake in an oven at 325 F for 20 minutes.
While in oven, mix remaining ingredients.
Remove baked portion from oven. Pour remaining mixture into the baked portion.
Return to oven and bake for an additional 20 minutes.
Remove from oven and dust with powdered sugar immediately.