I think I came up with the base for the Snickerdoodle but I don't have the right kind of cinnamon so it's without it.
FW Sugar Cookie 65%
LA Bavarian Cream 20%
CA Gingerbread 8%
CA Vanilla Custard 4%
TFA Caramel Candy 3%
It tastes a lot like a rich graham cracker. I think these particular flavor vendors are important because these flavors vary widely between vendors. I love it like this even without the cinnamon but if someone makes it with will they please report back? Also it definitely improves after a day or two.