1. Dry the mold washed with clean water with a soft cloth, and evenly coat a thin layer of small pieces of butter on the inner wall of toast box.

2. Put in the oven and bake at 180 degrees for 8- 10 minutes.

3. Then take it out and wipe off the excess oil with kitchen paper, and put it on the molded dough for normal use.

4. The toast made by toast box after such maintenance has golden skin color, which ensures that there will be no baking without coloring.