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Buttermilk for Babies: In Cooking, Not as a Drink

A tangy cultured milk mostly used in baking and cooking. Fine in food as a milk introduction; not a main drink before 12 months.

When to introduce: Around 6 months, in food
Common allergen?: Yes (milk, a top-9 allergen)
Texture: Thin liquid, cooked into food
Key nutrients: Calcium, protein, B12

When can babies eat buttermilk?

Buttermilk is a tangy cultured milk used mostly in pancakes, baking, and dressings. Cooked into food it is fine from around 6 months as a milk introduction. Like plain cow’s milk, it is not a main drink before 12 months.

How to prepare buttermilk for baby-led weaning (BLW) and purées, by age

6 monthsUse buttermilk in cooking, such as soft pancakes or stirred into mashed foods, rather than as a drink.

12 months+Buttermilk can be used more freely in family cooking, still not relied on as the main drink.

Is buttermilk safe? Choking & prep

Use pasteurized buttermilk, and use it cooked into food rather than as a main drink before 12 months. As a milk food, introduce it and watch for a reaction.

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Nutrition

Buttermilk provides calcium, protein, and B12. Despite the name it is usually low in fat, so it is a cooking ingredient rather than a source of the fat babies need.

Goes well with

Oatmeal · Banana · Pancake

Storage & freezing

Keep refrigerated and use by the date.

More dairy foods to explore

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CheeseAround 6 months

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ColbyAround 6 months

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Cottage cheeseAround 9 months

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Cream cheeseAround 9 to 12 months

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CustardAround 9 months

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FetaAround 6 months, in small amounts

Introducing this allergen

Frequently asked questions

When can babies have buttermilk?

From around 6 months cooked into food, like pancakes. As a main drink, cow’s milk including buttermilk waits until 12 months.

Can buttermilk be a baby’s main drink?

No. Like plain cow’s milk, it should not replace breast milk or formula as the main drink before 12 months. In food it is fine earlier.

Is buttermilk a common allergen?

Yes, it is dairy, and milk is a top-9 allergen. Introduce it and watch for reaction signs.

Sources

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Last updated July 2026. How we write these: grounded in widely published pediatric guidance (the AAP, WHO, the NIAID 2017 allergen guidelines, and the LEAP study), and pending independent review by a pediatric professional. See our editorial and medical policy for how we research, source, and update these.

This is general information, not medical advice, and has not been individually reviewed for your baby. Always talk to your pediatrician about your baby's diet, introducing allergens, and any reaction. In an emergency, contact emergency services.

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