This is the email I received from Kakeladi many years ago...it explains everything :) Hope it helps you in your quest...
"Kakeladi's ORIGINAL WASC
1 pkg Betty Crocker white cake mix
1 cup all-purpose flour
1 cup granulated sugar
3 whole eggs (even for white cakes)
1 cup water
1 cup sour cream
1 teaspoon almond emulsion (stronger than flavoring)
In a bowl, mix 1st 3 ingredients. (see notes below) Set aside.
Place remaining ingredients in mixer bowl then add the...