Finely grated apple and mashed banana add the perfect level of sweetness for tiny palates. Serve this sweet treat warm, at room temperature or cold, depending on your baby’s preference. This recipe is a source of iron, which is a factor in red blood cell formation. Gradual introduction of iron-rich solid foods should be part of baby’s diet starting at six months of age. This recipe also provides calcium, which aids in the formation and maintenance of bones and teeth.