1, oven heating: Put the sesame seed cake in a preheated oven and heat it at about 200℃ for about 3-5 minutes, which can make the sesame seed cake crispy again.
2. Heating in the air fryer: Put the sesame seed cake in the air fryer and heat it at a temperature of 180-200℃ for about 3-5 minutes, which can achieve the same effect.
3. Drying oven heating: Put the sesame seed cake into an oven with a temperature of about 60℃ and keep it for 1-2 hours, so that the moisture in the sesame seed cake can evaporate slowly, thus achieving the effect of restoring crispy mouth.