When you start giving a new food item to your baby, you have to preferably give it before evening and also once given for breakfast suppose, take a one day interval before giving it again. This is to know if the food given causes any allergic response like skin rash or vomiting. Some kids are allergic to egg and chia seeds and some allergic reactions take almost a week to develop If your baby tolerates it, then you can give it every day or alternate days.