【Ingredients】：

Apples, bananas, mangoes

【Step】：

1. First prepare a bowl of water, add a spoonful of salt, wash the fruits, wash off the wax and dirt on the surface, and control the moisture；

2. Cut off the hard shells at both ends of the fruit, and cut into thick slices about half a centimeter thick, which is slightly thicker and more chewy (cut the apples that are uneven at both ends, take out the core, discard, and slice)；

3. Dried apples, dried bananas, and dried mangoes have a sweetness of 70℃ / 158℉ for 6 hours. Peeled apples are better.