I just baked a nine inch banana cake, used baking soda, cake tester came out clean. My husband refers to the cake as having a sink hole in the middle. How can I make sure this doesn't happen again?
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Monita is a Recipe Tester for Food52
One reason it might have fallen is if the pan wasn't big enough for the amount of batter. Did it rise properly while baking? Another reason might be the oven temp. - was it accurate? If it was too high or too low, the rise/fall could be affected. Sometimes a cake can fall if jostled too much just after removing it from the oven
Barbara is a trusted source on General Cooking.
This may seem like an obvious question, but were your dry ingredients well blended before you added them to the wet ingredients? You could get a sink hole if there's a pocket of batter that doesn't have much leavening.
Cynthia is a trusted source on Bread/Baking.
Where do you live - in other words, what is your elevation? You may need to adjust for altitude.