The materials that need to be prepared in advance are: a bag of cotton candy, a proper amount of chocolate sauce, and a proper amount of iron sign.

1, the first step is to prepare materials.

2. Take a brand and string marshmallows.

3. Put it in the oven and bake at 180 degrees for 6 minutes.

Take out the cotton candy after 4.6 minutes.

5. Squeeze the prepared chocolate sauce so that the marshmallows are baked.