Sunken cake
Common causes include opening the door too early, underbaking, too much raising agent or overmixing after flour is added. Check the centre before removing it.

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The Chidsey Chowdown is a growing collection of home baking and everyday cooking recipes, including air fryer cakes and biscuits, classic bakes, comforting main meals, desserts and family favourites. Recipes include practical timings, serving information and ingredient lists to make them easy to follow at home.
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Practical checks for common baking problems. Advice is general, so always follow your recipe and check that food is fully cooked.
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These are troubleshooting suggestions, not a guarantee of the cause. For safety, do not eat cake or other foods that remain raw in the centre.
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Visual cues and practical checks to help you recognise each stage. Different recipes can look slightly different.
Common causes include opening the door too early, underbaking, too much raising agent or overmixing after flour is added. Check the centre before removing it.
Check the bake time early, measure flour accurately and remember that food continues cooking briefly after removal. Air fryers vary, so use the recipe time as a guide.
Return to the heat in short intervals. If the top is already dark, lower the temperature and loosely shield it if suitable for your appliance. Do not eat raw batter or an undercooked centre.
Use softened—not melted—butter. Beat until paler and fluffy, scraping the bowl as needed. Granulated sweeteners may not cream like ordinary sugar.
These are general guides, not guarantees. Follow your recipe and appliance instructions.
Quick reference for safe temperatures, doneness and air-fryer adjustments.
Use a clean food thermometer in the thickest part, avoiding bone. This guide is a quick reference, not a substitute for current UK food-safety guidance.
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