1. There are no ingredients harmful to plastic or paper materials in food, because high temperature may decompose these materials and release harmful substances.
2. The ingredients do not contain a lot of oil, because oil may deform or melt the takeaway box.
From the production steps, steaming vegetables is a cooking method that uses the steam generated after water is boiled as a heat transfer medium to make food mature. In the process of steaming vegetables, it is necessary to ensure that the take-out box uses materials suitable for cooking, otherwise harmful substances may be released during heating. In addition, the following points should be noted:
1. Make sure that the ingredients have been cleaned and cut into appropriate sizes before putting them into the take-out box.
2. Add a proper amount of water to the takeaway box, and then put it into the pot.
3. After heating until the water boils, put the ingredients into the takeaway box, then cover it or seal it with plastic wrap.
4. Put the takeaway box into the pot and continue to heat until the food is cooked.
Take out the takeaway box, and be careful not to burn yourself.
In short, when choosing to use the takeaway box to steam vegetables, we should comprehensively consider the ingredients and production steps to ensure food safety and hygiene.