Comprehensive Nutritional Chart of Complementary Food for Fifteen Month Baby As the baby grows up, it is very important to add an appropriate amount of complementary food. In terms of nutrition for fifteen-month-old babies, special care and attention are needed. Below we will share with you some nutritional charts of complementary foods suitable for fifteen-month-old babies. Egg yolk porridge method: You can give your child some egg yolk porridge every morning. For babies, egg yolk is a very good source of nutrition. The making of egg yolk porridge is very simple