pre-heat oven to 350°f

mix canna butter, un-salted butter, powdered sugar and flour with fork until well blended.

press dough into a 9x13 glass baking dish.

bake for 20 minutes.

sift together cane sugar, un-bleached flour and baking powder into medium mixing bowl.

add eggs, lemon juice, lemon rind and keef.

beat by hand with fork until well blended. pour filling over crust.

bake for 25 minutes.

take out of oven. cool for 30 minutes. dust with powdered sugar, cut into squares and serve.