which iron rich food to give 6+ months baby without worrying about digestion issues?

A. Hello good afternoon !! As the baby is 6+ months old start fruit and vegetable purie or mash ,cerelac,porridges only after checking the suitability of every new food item . Fruits,vegetables ,leafy vegetables,raisins contain iron to some extent may not be fullfill the nutritional requirement as initially babies have digestion,unsuitable issues with few food items so gradually introduce and check the suitability.