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Buttermilk Starter

$19.99

What's Included

2 packets of buttermilk starter culture.

Storage & Supplies

Store the starter culture in the refrigerator until you're ready to activate it. Use the starter culture by the date on the bag.

You'll supply pasteurized milk (avoid ultra-pasteurized or UHT milk), a glass jar or plastic container, coffee filter or tight-weave cloth, rubber band, thermometer, and non-aluminum mixing utensil.

Ingredients & Allergens

Ingredients: Organic milk, live active cultures. Contains milk.

For current facility allergen information, please contact our team.

Culture Guarantee

If your culture isn't working within 60 days of purchase, contact our fermenters for troubleshooting and replacement support under the culture guarantee. See returns and replacements for terms and eligibility.

“The buttermilk starter arrived quickly. The directions were easy to follow. The resulting buttermilk was thick and delicious.”Kathleen · Buttermilk Starter customer

Thousands of First Batches. Yours Is Next.

A little culture, a little milk, and something homemade to share.

Glass jar filled with cultured dairy on a kitchen counter
Close-up of creamy cultured spread in a bowl
Slice of bread with a creamy spread
Buttermilk culture and supplies on a kitchen counter
Milk being poured into a jar
Starter culture being added to milk
Stirring culture into milk
Jar of cultured dairy with a white lid on a kitchen counter
Jar of cultured dairy beside a kitchen mixer
Homemade loaf beside a bowl of creamy spread
A cloth cover being placed over the jar
Finished cultured buttermilk served from a jar
A jar of cultured buttermilk with a cloth cover
A jar of homemade buttermilk

FOOD SAFETY MATTERS

Because it’s going on
your family’s table.

Cultures for Health milk kefir grains coliform testing comparison

Milk kefir testing example; not a test of this culture.

A MOM'S REASON. OUR STANDARD SINCE 2002.

It started with a simple question:
What am I feeding my children?

Cultures for Health was founded in 2002 by a single mom who wanted to feed her children the best food she could.

That care still shapes what we make. Food-safety testing is a meaningful investment, and one we keep making for the families who bring our cultures home.

Start something good in your kitchen →
An adult guiding a child as they pour milk from a saucepan into a glass jar in a home kitchen

FROM MILK TO SOMETHING YOU MADE.

Buttermilk, made at home.

A reusable starter and a little milk bring homemade buttermilk to your kitchen.

01

Mix.

Pour 1 quart of pasteurized milk into a glass or plastic container and add 1 packet of starter culture; mix well. Avoid ultra-pasteurized or UHT milk.

02

Culture.

Cover and culture at 70°-77°F. Check after 24 hours. If it has not set, leave up to 48 hours, checking every few hours.

03

Chill and make more.

Once it has set, or at the end of 48 hours, cover with a tight lid and refrigerate for at least 6 hours. Reserve ¼ cup for culturing the next batch.

60DAY CULTURE GUARANTEE

A LITTLE REASSURANCE GOES A LONG WAY.

60-day guarantee.
Expert help when you need it.

If your culture is not working within 60 days of purchase, contact us for troubleshooting and replacement support under our guarantee. See our policy for return conditions.

See our guarantee →

Buttermilk Starter$19.99

BEFORE YOU START

Your buttermilk questions,
answered.

How many packets are included?

Each bag contains 2 packets of buttermilk starter culture.

Can I reuse the culture?

Yes. Reserve ¼ cup of finished buttermilk for the next batch. Follow the guide for the full process and reculture regularly.

Which milk should I use?

Use pasteurized milk; avoid ultra-pasteurized or UHT milk for activation. See the buttermilk instructions for the complete method.

How do I store the starter?

Store the starter culture in the refrigerator until you’re ready to activate it. Use the starter culture by the date on the bag.

What if my culture needs help?

Our fermenters can help troubleshoot. Contact us and see the culture guarantee for terms.