I want to make a chocolate cake for my birthday BUT since it's only for me I want to halve the recipe: http://sallysbakingaddiction.com/2013/04/08/triple-chocolate-layer-cake/comment-page-8/#comments Just wondering how the baking time differs when it's halved and in this recipe it calls for a 9-inch round cake pan but I only have an around 7-inch cake pan...
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Do you only have one pan? That's a two-layer cake recipe that needs two pans, one for each layer.– Cascabel ♦Nov 25, 2015 at 6:18
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@Jefromi The website states that if you have only one pan you can bake one layer after another, leaving half the batter in the mixing bowl on the counter.– Stephie ♦Nov 25, 2015 at 6:27
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Yes I only have one pan! But I still need to know the baking time for the smaller pan! Thanks for all the replies!– CrystalNov 26, 2015 at 9:33
1 Answer
What really matters is the thickness of the cake, i.e. the depth of the batter in the pans. If you use two 7 inch pans instead of two 9 inch pans, you have 7^2/9^2 or about 60% the area, and you're putting in 50% as much batter, so you'll end up with the batter about 5/6 as deep. That means the baking time will end up slightly shorter, but in the same ballpark - and just as important, you'll still have layers of a reasonable thickness! The recipe says 23-27 minutes, so you might start checking around 18-20 minutes to be safe.
(If it were giant you might to worry about the diameter/width of the cake too, but not for something like this.)
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You might want to add that for very large cakes not only the depth but indeed the diameter are a factor to consider. Not relevant for 9 inch vs. 7 inch, though.– Stephie ♦Nov 25, 2015 at 6:33