If your slow cooker turns off before your cake is finished baking, it can be frustrating, but there are a few steps you can take to salvage the situation:
Check for doneness: First, check the cake's doneness with a toothpick or a cake tester. Insert it into the center of the cake; if it comes out clean or with only a few moist crumbs attached, the cake might be done or almost done.
Avoid opening the lid frequently: Since slow cookers work by trapping heat and moisture, opening the lid frequently can significantly reduce the temperature inside and interfere with the baking process. Only open the lid when you're close to checking for doneness.
Restart the slow cooker: If your slow cooker has an auto-shutoff feature that turned it off, you can try restarting it manually. Set it to the same temperature and cooking time as before. If the cooker doesn't have an auto-shutoff, ensure it's still turned on and functioning properly.
Use alternative cooking methods: If your slow cooker isn't cooperating, you can transfer the partially baked cake to an oven to finish the baking process. Preheat the oven to the same temperature as the slow cooker and continue baking until the cake is fully cooked.
Keep an eye on the time: Since the cake has already been partially cooked, it may require less time in the oven than the original recipe stated. Start checking for doneness after about 10-15 minutes, and adjust the baking time as needed.
Prevent future issues: To avoid a repeat of this problem, monitor your slow cooker during the baking process and be aware of any auto-shutoff features it may have. Additionally, if possible, choose a slow cooker recipe that has been specifically developed and tested for baking cakes to ensure better results.
Remember that baking times can vary depending on the specific slow cooker model and size, the thickness of the batter, and the ambient temperature. It might take some experimentation to get the timing right. Patience and practice will help you achieve better results when baking cakes in a slow cooker.