1. Put the weighed milk powder into a container, stir it with a spatula while adding milk, and then grasp it into a ball by hand. Milk powder balls should not be too soft, but harder.

2. Cover the milk powder dough with plastic wrap, roll it into 0.3 cm thin slices with a rolling pin, and print the shape with a mold.

3. Spread a high-temperature resistant non-stick cloth on the baking tray, and then put the milk slices in turn.

4. Put it into the preheated Hayes oven, fire it up and down 70 degrees, and turn on the hot air function.

5. Bake for 30 minutes, plate and serve.