Both are fine. Depending on pre-love and practical realisation, there are two options
- Cook for yourself
- Use porridge from the jar

Both methods have their advantages and disadvantages, there is no clear favourite, everyone has to decide for themselves what is best to implement and can be easily integrated into everyday life.

Cook for yourself Food in a jar
+ fresh + High standard of hygiene
+ Ingredients can be chosen by yourself + low pollutant load
+ great variety + time-saving
+ all ingredients are known + vitamin and mineral content until the end of the shelf life
+ more cost-effective + practical for travelling
- Hygiene is required during preparation - Salt and sugar may be added
- Loss of vitamins due to improper preparation - expensive