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Cakes & Sponges That Sink or Collapse

Technical troubleshooting for cakes and sponges that sink in the centre, pull from the sides or lose volume after baking. Check foam stability, liquid balance, leavening, oven temperature and whether the centre set before cooling.

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Core guide

Stable layer cakes: firm layers and clean slices without collapsing

A stable layer cake works when every layer can carry the load above it, moist inserts do not create a slippery or overly wet plane, cake layers are level, and the whole cross-section stabilises evenly before slicing.

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