Portion Sizes for Babies

Why most services will not give you a number

The NHS does not publish baby portion sizes in spoons. Neither does the CDC, beyond the very first meals. This is not carelessness. Appetite in the first year varies enormously between babies and from day to day in the same baby, and a published figure gets read as a target, which turns a meal into a negotiation.

NHS Best Start in Life makes the underlying point at the seven-to-nine-month stage: there will be days when your baby eats more, some when they eat less, and days when they reject everything, and that is normal. The CDC adds the timescale that makes this bearable: over a week, your child should get all the foods and nutrients they need.

Ireland's HSE takes the opposite editorial view and publishes actual amounts, prefaced each time with "be led by your baby, and feed to their appetite". Those are the most concrete numbers available from a national health service, which is why they are worth quoting exactly.

The Irish figures, stage by stage

At about six months

Start with one teaspoon of food made into a soft smooth purée. Build up to six teaspoons at one sitting. Then introduce solid food at another mealtime, and progress to two or three meals a day with five to ten teaspoons at each meal. Introduce one new food at a time, every two to three days.

Between six and nine months

Three meals a day, each about two to four tablespoons of food, plus two to three snacks between main meals in Irish guidance. Food is offered before the milk feed. Some drinks are taken from a cup or beaker. Formula is three to four feeds a day, around 600ml in total.

Between nine and twelve months

Three meals of about four to six tablespoons, plus two to three snacks. Your baby should be able to manage more than two textures in one meal, and all drinks other than breastfeeds come from a cup or beaker. Formula drops to a maximum of 400ml a day.

The CDC's version

The CDC gives a starting amount and then a rhythm. Start small: "give 1 or 2 tablespoons of food" and watch for signs that your baby is still hungry or full. Then feed your child something to eat or drink every two to three hours, or five or six times a day, which comes to about three meals and two to three snacks daily.

It also gives the reason portions are this small: children's bellies are small and cannot hold a lot of food. And it flags the change that catches families out around the first birthday, when growth slows and a child "might even go a couple days without eating much".

What a sample day looks like

The AAP publishes example menus rather than portion rules, which sidesteps the target problem while still giving you something concrete. Its sample menu for a baby of eight to twelve months and its sample menu for a one-year-old are both structured as three meals with snacks, built from familiar foods in small quantities. Used as illustrations rather than prescriptions, they answer the question most portion charts are really being asked: what does a whole day of this look like?

The snack disagreement

This is a live divergence between two neighbouring health services and it changes the shape of the day. NHS Best Start in Life states that babies under twelve months do not need snacks, and that if you think your baby is hungry between meals you should offer extra milk feeds instead. The NHS main site repeats the position that children under one year should not be given snacks. Ireland's HSE builds two to three snacks into both its six-to-nine and nine-to-twelve month stages.

Both are current national guidance. If you are following NHS advice, the day is meals plus milk feeds. If you are following HSE advice, small snacks are part of the structure.

Portions for the second year, for context

Once your child is over one, the NHS does start giving quantities, which shows the numbers exist when the evidence supports them. It suggests at least 350ml of milk a day or two servings of dairy foods such as cheese, yoghurt or fromage frais, with full-fat versions recommended up to age two. For protein it suggests a minimum of two portions a day from vegetable sources such as beans, chickpeas, lentils and tofu, or one portion from animal sources such as meat, fish and eggs. Oily fish is suggested at least once a week, capped at four portions a week for boys and two for girls because of low levels of pollutants.

Serving in practice

A few habits follow from the guidance rather than from any chart. Serve less than you think and offer more, which is also what NHS Best Start in Life recommends for food-waste reasons: only take out the amount you think your baby will eat, and offer more if they are still hungry. Do not save half-eaten portions to reheat later. Let your baby stop when they turn away, close their mouth, push the spoon away or lose interest, and do not finish the bowl on their behalf.

Judging whether it is enough

The outcome measures are the same ones used everywhere else in infant feeding: weight gain tracking along its line in the red book, wet and dirty nappies, energy and mood, and a gradual increase in the range of foods accepted. A single small meal, or a whole small day, tells you very little.

When to ask

Speak to a health visitor or public health nurse if your baby is consistently taking far less than these ranges across weeks rather than days, if weight gain has faltered, if they are not progressing past thin purées, or if mealtimes have become distressing. The HSE asks parents to check in if a baby is taking a lot less or a lot more than its published guide amounts.