Baby Porridge: Guide to Your Baby's First Cereal

The day your baby tries their first bowl of porridge is a small milestone. Suddenly it is not just milk anymore — your child is taking their first steps into the world of food.

But which cereal should you start with? When is your baby ready? And how do you make a nutritious porridge at home? Here is everything you need to know, based on international guidelines.

When can babies start eating porridge?

According to the AAP and WHO, babies can begin solid foods no earlier than 4 months of age. The digestive system and kidneys are not mature enough before that.

For exclusively breastfed babies who are growing well, it is recommended to wait until around 6 months. Formula-fed babies may begin taste portions from 4 months if the baby shows signs of readiness. Your pediatrician can give you individual guidance.

Signs your baby is ready

Age alone does not determine readiness. Look for these signs:

• Good head control — baby holds their head steady
• Can sit with support — and lean forward
• Shows interest in food — reaches toward your food
• Tongue-thrust reflex fades — does not automatically push food out
• Signals fullness — turns their head away when satisfied

Which cereal should you choose?

Not all grains are equally nutritious. Here are the best options for your baby's first porridge.

Oatmeal — the most common choice

Oats are iron-rich, mild in taste, and easy to find. Most babies like oatmeal, and you can easily grind rolled oats into flour with a blender.

Benefits: Good iron content, mild flavor, affordable and widely available.

Millet — the iron powerhouse

Millet has especially high iron content and is naturally gluten-free. Millet flakes or millet flour can be found in health food stores and larger supermarkets.

Benefits: Highest iron content, gluten-free, great for variety.

Whole wheat, barley, rye, and spelt

Whole-grain versions of these cereals provide good nutrition and variety of flavor. Use whole-grain flour — it contains more iron than refined flour.

Benefits: Varied flavor, good nutritional value, easy to combine.

Grains to avoid

Some grains provide little iron and nutrition for babies:

• Refined white flour — most nutrients have been removed
• Fine rice flour — low iron, contains inorganic arsenic
• Cornmeal and polenta — few nutrients
• Semolina — nutritionally poor

Store-bought vs. homemade — which is better?

Both are perfectly fine. The most important thing is that your baby gets iron-rich food.

Store-bought cereal (commercial)

Iron-fortified baby cereals are supplemented with extra iron, vitamins, and minerals. They are convenient and provide a guaranteed nutritional value.

Popular options internationally:

When commercial cereal is a good idea: If your baby has low iron stores, if you are short on time, or as a supplement to homemade porridge.

Homemade porridge

You have full control over the ingredients and can vary flavors. Homemade porridge is also more economical over time.

Key tip for homemade porridge: Use iron-rich grains and soak the flour for better iron absorption. Serve with vitamin C-rich fruit.

How to make homemade baby porridge

Here is a simple base recipe to start with.

Base recipe — oatmeal

Ingredients:

• 2 tbsp oat flour (or finely ground rolled oats)
• 3.5 oz (100 ml) water
• Breast milk or formula to desired consistency
• 1 tbsp fruit puree (e.g., mango, strawberry, or prune)

Instructions:

1. Soak the oat flour in water for at least 1 hour (overnight is ideal)
2. Bring to a boil and simmer for 3–5 minutes, stirring
3. Cool to lukewarm
4. Add breast milk or formula to desired consistency
5. Top with fruit puree for vitamin C and flavor

Variation — millet and oat

Ingredients:

• 1 tbsp millet flakes
• 2 tbsp rolled oats
• 5 oz (150 ml) water
• Breast milk or formula
• 1 tsp rapeseed oil (optional)
• Berry puree for topping

Instructions: Soak grains in water. Cook for 5 minutes. Cool and add breast milk, oil, and berry puree.

Variation — whole-grain porridge with banana

Ingredients:

• 3 tbsp whole-grain flour (wheat, spelt, or barley)
• 5 oz (150 ml) water
• ½ ripe banana, mashed
• Breast milk to desired consistency

Instructions: Soak flour in water. Cook for 5 minutes. Stir in mashed banana and breast milk.

How to serve porridge correctly

Consistency

Start thin and runny — your baby is used to liquid milk. Gradually thicken the porridge as your baby gets more practice eating.

Quantity

• Week 1–2: A teaspoon or two per meal
• After a few weeks: 2–3 teaspoons
• Gradually: Work up to a small portion

Let your baby guide the pace. Some babies want more from day one; others need time.

Temperature

Porridge should be lukewarm, never hot. Always test the temperature on the inside of your wrist before giving it to your baby.

Timing

Offer porridge at breakfast or as an evening meal. Avoid introducing new foods late at night — that way it is easier to monitor any reactions.

From smooth to textured — how to progress

Your baby's cereal journey is a gradual process:

1. 4–6 months: Completely smooth, almost liquid
2. 6–8 months: Slightly thicker porridge with small fruit pieces
3. 8–10 months: Coarser texture, visible grains and lumps
4. 10–12 months: Regular oatmeal, perhaps with toppings your baby can pick up

How to boost iron absorption

Iron is the most critical nutrient for babies from 6 months. Your baby's iron stores from birth begin to deplete around this age.

Four tips for better iron absorption:

1. Soak the grain — breaks down phytic acid that blocks iron
2. Add vitamin C — mango, strawberries, blackcurrants, or prunes significantly increase iron absorption
3. Use breast milk or formula — provides better nutritional value than water alone
4. Choose iron-rich grains — millet, oats, and whole-grain flour are best

Common mistakes to avoid

• Making porridge with only water — always add breast milk or formula for nutrition and familiar taste
• Skipping the soak — without soaking, babies get significantly less iron
• Starting with sweet fruit porridge — let babies learn to enjoy the grain flavor first
• Giving up too quickly — it can take 10 attempts before a baby accepts a new flavor
• Boiling breast milk — add breast milk after cooking to preserve enzymes and nutrients
• Using low-nutrient grains — avoid refined flour and cornmeal

Frequently asked questions

Can my baby have gluten from the start?

Yes. International health guidelines recommend introducing gluten gradually from the start of solid foods (around 6 months). Oatmeal contains some gluten naturally and is a good starting point. Current evidence does not show that delaying gluten reduces the risk of celiac disease.

Can I freeze homemade porridge?

Porridge made with water can be frozen in portions and kept for up to 3 months. Add breast milk or formula after thawing — do not freeze porridge that already contains breast milk.

My baby refuses porridge — what do I do?

Completely normal. Try again the next day with a thinner consistency or a different grain. Some babies prefer millet over oats, or vice versa. You can also mix in a little fruit puree to make the flavor more familiar.

How many cereal meals per day?

Start with one meal. After a few weeks you can increase to two. Recommended maximum is 2–3 porridge meals per day, so the baby also has room for other foods.

Should babies have cow's milk in their porridge?

No, not before 12 months. Cow's milk is low in iron and can reduce iron absorption. Use breast milk or formula during the first year. Small amounts of cow's milk in cooking (sauces, baked goods) are fine from 10 months.

When to start — 4 or 6 months?

For breastfed babies who are growing well, the AAP recommends waiting until around 6 months. Formula-fed babies can start taste portions from 4 months if they show signs of readiness. Your pediatrician can give individual guidance.

Which porridge is best to start with?

Oatmeal is the most common choice and works well as a first cereal. Millet provides extra iron. Iron-fortified commercial cereal (like Gerber or Earth's Best) is also a good option, especially if your baby has low iron stores. The most important thing is to choose iron-rich grains and soak homemade porridge.

Can I mix porridge with fruit?

Yes. Fruit puree provides both good flavor and vitamin C, which increases iron absorption. Good choices are mango, strawberry, prune, pear, or banana. Let your baby try the plain grain porridge first, so they learn to enjoy the cereal flavor.

How long does homemade porridge keep in the refrigerator?

Cooked porridge without breast milk keeps for 1–2 days in the refrigerator. Porridge cooked with water can be frozen in portions for up to 3 months. Always add breast milk or formula after thawing.

Further reading

• Food introduction for baby — complete guide
• BLW: Baby-led weaning
• Vegetables and fruit for baby

Sources

1. AAP — Starting Solid Foods
2. WHO — Infant and Young Child Feeding Guidelines
3. CDC — When, What, and How to Introduce Solid Foods