Tips to introducing complementary feeding. Is your baby 6 months old? Is your baby able to sit up properly? Have adequate neck and head control. Shows interest in your food. If you answered yes to all this, then he/she is ready to start food. Start with single-ingredient infant foods. There's no particular order or food. Foods should be smooth and porridge inconsistent. Not too watery so as to meet the energy needs of the baby. E.g of foods is rice, oat cereal, yellow