medium speed, beat together oil and sugars until combined and creamy.
add eggs, baking powder and vanilla, beating well to combine after each addition.
turn the mixer to low and gradually add the flour. beat until combined. set aside.
in a small bowl, combine all filling ingredients until smooth. set aside.
when filling pie crust, be careful to smooth each layer very gently, so you don’t break the crust.
pour a fourth of the batter into the graham cracker crust, then top with a third of the filling.
repeat the process, ending with the batter on top.
bake for 35-40 minutes, until top is set. it's meant to be soft in the center, so don't over bake 