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Can we replace the butter in the sponge cake with oil?

Hello caroleLahoud

I’ve baked sponge cakes and substituted the butter for oil. the end result was slightly different, the cake was more dense and had closer texture. Mrs Jones’ sponge cake uses some corn flour so I wouldn’t like to say how that would affect the cake.
This link http://wiki.answers.com/Q/Can_you_substitute_butter_for_oil_in_a_cake_recipe
may give you a better idea how oil and butter can be substituted. Hope this helps.

Hi

Correction to my last answer, Mrs Jones’ cupcakes uses cornflour, not the deep sponge recipe. I hope you find the above link useful.

Thank you, I will try it