Birth to 4 months:
Rooting reflex helps your baby turn toward a nipple to find nourishment
Breast milk or formula ONLY

4 to 6 months:
Breast milk or formula, PLUS
Pureed food (like sweet potatoes, squash, apples, bananas, peaches, or pears) or semi-liquid iron-fortified cereal

6 to 8 months:
Pureed or strained fruits (banana, pears, applesauce, peaches)
Pureed or straitened vegetables.

8 to 10 months:
Breast milk or formula, PLUS
Small amounts of soft pasteurized cheese and cottage cheese
Mashed fruits and vegetables

10 to 12 months:
Combo foods (macaroni and cheese, casseroles)
Protein (egg; finely ground meats, poultry, and boneless fish; mashed beans)
Finger foods (lightly toasted bread or bagels, small pieces of ripe banana; peas, and potatoes; low-sugar O-shaped cereal; )