Cultured Butter & Real Buttermilk

Notes

Hero image: "Butter making woman," Compost et Kalendrier des Bergères, Paris 1499 — public domain via Wikimedia Commons. She's been doing this since before pasteurization ruined everything.

Most butter is missing the most important step: fermentation. Before refrigeration, all butter was cultured — cream sat out, fermented naturally, then got churned. That's how it was made for thousands of years. The bacteria break down the cream and develop flavor before any churning happens.

Modern butter skips it entirely. Pasteurized cream straight to churn. Faster, cheaper, less flavor.

Two foods from one bottle: real butter and real cultured buttermilk — not the fake acidified stuff from the store.

Ingredients

• 2 bottles heavy whipping cream
• 2 tbsp cultured yogurt (live cultures — check the label)

Instructions

Culture

Mix cream and yogurt in a jar, lid on. Sit at room temperature 12–24 hours. The live cultures ferment the cream — this is the step industrial butter skips.

Churn

Pour the cultured cream into a stand mixer. Whisk on low until it breaks — the fat clumps into butter and the buttermilk separates out.

Separate & finish

Strain off the buttermilk (keep it — that's the second food). Rinse the butter under cold water until it runs clear, press out remaining liquid, wrap in parchment.

Nutrition (per tbsp butter, estimated)

• Calories: ~100
• Protein: 0g
• Fat: 11g
• Carbs: 0g

Rough estimate — the quantities here are loose.

Tips

• The rinse matters — leftover buttermilk in the butter is what makes homemade butter go rancid fast. Rinse until clear.
• The buttermilk is the real deal — cultured, tangy, alive. Pancakes, biscuits, marinades.
• Salt at the end if you want salted — work flaky salt in after rinsing, not before.
• Room temp ferment — Cloverleaf AC counts as room temp; 12 hours summer, closer to 24 in winter.