Most babies are ready to try solid foods somewhere between 4 and 6 months old, but the exact timing depends on your baby’s development, not the calendar. Before you open that first jar of puree, your baby needs to hit a few physical milestones that make eating safe and successful. Starting too early, before those milestones appear, increases the risk of choking and means your baby may simply push food back out instead of swallowing it.
Signs Your Baby Is Actually Ready
Age alone isn’t the green light. Your baby should be able to do all four of the following before you offer that first spoonful:
- Sit upright with support in a high chair or on your lap without slumping over.
- Control their head and neck steadily enough to turn toward or away from food.
- Swallow food rather than pushing it back out onto their chin with their tongue. This tongue-thrust reflex is strong in younger babies and fades as they become ready for solids.
- Move food from the front of the tongue to the back to actually get it down.
If your baby can’t do all of these yet at 4 months, that’s completely normal. Many babies aren’t ready until closer to 5 or 6 months. There’s no advantage to rushing it. Breast milk or formula remains the primary source of nutrition throughout the entire first year regardless of when solids begin.
What to Start With
Iron-fortified infant cereal (usually rice or oat) mixed with breast milk or formula is a classic first food, but it’s not the only option. You can also start with pureed vegetables, fruits, or even strained meats. The old advice to introduce vegetables before fruits so your baby won’t develop a sweet tooth has no real evidence behind it. What matters more is variety over time.
Iron deserves special attention. Babies are born with iron stores that begin to run low around 6 months, and iron is critical for brain development, immune function, and the production of red blood cells. Inadequate iron over time can lead to iron deficiency anemia, which has been linked to learning difficulties in young children. Iron-fortified cereal, pureed meats, and pureed beans are all good early sources.
Start with one single-ingredient food at a time. Offer it for 3 to 5 days before introducing the next one. This makes it easy to spot a reaction like a rash, vomiting, or diarrhea and trace it back to a specific food.
How Much and How Often
Think tiny. At 4 to 6 months, a “meal” is about 1 to 2 tablespoons of pureed food, once or twice a day. For iron-fortified cereal, you can work up to about 3 to 5 tablespoons mixed with formula or breast milk. These amounts will feel almost comically small, and that’s fine. The goal at this stage is practice, not calories. Breast milk or formula still supplies the vast majority of your baby’s nutrition.
Start with a teaspoon and slowly increase to a tablespoon over several feedings. Offer solids when your baby is alert and slightly hungry but not frantically crying for a bottle. Mid-morning, about an hour after a milk feeding, works well for many families.
Reading Your Baby’s Cues
Your baby will tell you when they’re done. Fullness signals include closing their mouth, turning their head away from the spoon, pushing food away, or relaxing their hands after a period of active grabbing. Don’t coax extra bites once these signs appear. Letting your baby control how much they eat builds healthy eating habits from the very beginning.
Introducing Allergens Early
Current guidelines have shifted significantly from a generation ago. Rather than delaying allergenic foods, introducing peanut, egg, and other common allergens early (around 4 to 6 months) can actually reduce the risk of developing food allergies. This is especially relevant for babies with severe eczema or a family history of food allergy.
For peanut specifically, the recommendation is about 2 grams of peanut protein per serving. That translates to roughly 2 teaspoons of smooth peanut butter thinned with water, breast milk, or formula until it’s a runny, easy-to-swallow consistency. You can also use peanut flour or peanut puff snacks softened with water. Never give a baby whole peanuts, chunky peanut butter, or dry peanut puffs, as all of these are choking hazards.
For babies with severe eczema or existing egg allergy, talk to your pediatrician before introducing peanut at home. They may want to do allergy testing first to confirm it’s safe to proceed outside a clinical setting.
Foods to Avoid Before 12 Months
Some foods are off-limits for the entire first year, and a few others should be limited or skipped even longer:
- Honey: Can cause infant botulism, a serious form of food poisoning. This includes honey baked into foods or added to pacifiers.
- Cow’s milk as a drink: Too many proteins and minerals for a baby’s kidneys and can cause intestinal bleeding. (Small amounts cooked into food are generally fine.)
- Fruit or vegetable juice: Not recommended before 12 months.
- High-mercury fish: Shark, swordfish, king mackerel, marlin, orange roughy, tilefish, and bigeye tuna.
- Unpasteurized foods: Raw milk, raw cheeses, unpasteurized juice or yogurt.
- Added sugars and sugary drinks: Soda, flavored milk, cookies, sweetened yogurts, and similar items.
- High-salt foods: Processed meats, some canned foods, and packaged snacks with high sodium.
Avoiding Choking Hazards
At 4 months, everything should be smooth and thin, about the consistency of runny yogurt. Purees made at home should be strained or blended until no lumps remain. As your baby gets more comfortable over the coming weeks, you can gradually thicken the texture.
Always feed your baby sitting upright in a high chair, never reclined or lying down. Stay with your baby the entire time they’re eating. Avoid putting cereal or puree into a bottle unless your pediatrician has specifically recommended it for a medical reason, since babies need to learn the mechanics of eating from a spoon.
Choosing the Right Feeding Tools
You don’t need much. A small, soft-tipped spoon with a long handle is ideal for the first months. Silicone spoons are gentle on gums and easy to clean. For bowls, stainless steel, glass, or silicone are all durable options that hold up better over time than plastic. Suction-bottom bowls can help once your baby starts reaching for the dish, though at 4 months that’s less of a concern.
A basic high chair with a secure harness and a footrest keeps your baby in the right position. A bib with a pocket at the bottom catches a surprising amount of the food that won’t make it to your baby’s stomach in those early weeks.
A Realistic First Week
Expect mess, confusion, and a lot of spit-out food. Most babies take several attempts before they figure out how to move food to the back of their mouth and swallow. Your baby might make a face, gag slightly (gagging is different from choking and is a normal protective reflex), or simply seem uninterested. All of this is typical.
If your baby consistently pushes food out with their tongue, seems distressed, or can’t sit upright well enough to eat safely, it’s worth waiting a week or two and trying again. There’s a wide range of normal, and a baby who isn’t ready at 4 months may be enthusiastic by 5. The transition to solids is a gradual process that unfolds over months, not a single milestone you need to hit on a specific date.