We know that vegetables lose vitamins when boiled. I wanted to make a sweet potato puree without boiling the food, BUT we do not have a food steamer in our household. Using a tip from other Moms and a lovely friend of mine, I managed to steam the food by using existing tools as can be seen here:
Just add a little water in a bottom of a cooking pot and steam veges in stainless strainer above the hot water in a low heat. Do not forget to use a pot cover!