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20cms square sponge recipe help please!

(3 Posts)
bobkate Wed 26-Jun-19 18:02:07

So I tried converting from a round tin to square but major fail sad
I am wanting a deep square sponge cake, either to be baked as one or in two sessions ( I only have 1 x 20cms square cake tin!)
I tried googling and using a calculator to convert weights but it clearly failed as the cake sunk and didn't cook in the middle.
If anyone can give me a good sponge recipe that I can either cook as a whole cake then cut into 2 sandwich halves or to cook separately I would very much appreciate it. Thank you so much!

4merlyknownasSHD Fri 28-Jun-19 09:22:55

8" Square (20cm) has the same surface area as a 9" Round (23cm). Look for a 9" recipe. It is always easier to tweak the tin than the recipe as half an egg is a real faff.

bobkate Sun 30-Jun-19 18:12:11

Thanks...luckily a friend came to my aid with a recipe just in time!

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