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Before roasting sweet potatoes, preheat the oven to make the baked sweet potatoes taste better. Before roasting sweet potatoes, you need to clean the sweet potatoes, remove the sediment on the surface, and then dry them with paper towels, so that they will be more hygienic to eat. Sweet potatoes can be baked directly in the oven, or you can wrap them in a layer of tin foil and bake them. The baked sweet potatoes will be softer and more fragrant.

The specific operation method is to add distilled water to the water tank and push it to the bottom until you hear a "click" sound, then press the power switch and the "Pure Steam" button. The temperature is displayed as 100 degrees, press "+" button to adjust the temperature to the desired degree. Confirm to start cooking (if you find that there is no steam coming out of the steam port, immediately check whether the water tank is not in place).