Flour
flour
flour
cake mix?
There are many powders to make cakes but the most used is probably flour
Caster sugarflouricing sugar / confectioners' sugar / powdered sugar
flour
Flour
Baking sugar.
EASY ANSWER:flour
SugarOther powders used in cake batter:Baking powderbaking sodapowdered sugarcornstarchcream of tartar
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