Description
This easy recipe transforms heavy cream into a rich, tangy cultured butter with roasted garlic and fresh rosemary, perfect for elevating everyday meals. It’s a simple, minimal-ingredient method that yields deeply golden, flavorful homemade butter.
Ingredients
Scale
- 4 cups heavy cream (at least 36 percent fat, preferably not ultra-pasteurized)
- 2 tablespoons live buttermilk or creme fraiche (plain full-fat yogurt or kefir with live cultures can be used as a substitute)
- 1 teaspoon fine sea salt (plus more for garnish)
- 1 head whole garlic (cloves peeled)
- 1 tablespoon olive oil
- 0.25 cup loosely packed fresh rosemary leaves (finely chopped, thyme or chives are also delicious options)
Instructions
- Ferment the Cream: In a large, clean glass jar, combine the heavy cream and live buttermilk or creme fraiche. Stir gently until just mixed. Cover loosely and let stand at room temperature (68-72°F) for 12 to 24 hours, or until the cream visibly thickens and develops a tangy aroma.
- Prepare Garlic and Rosemary: Preheat your oven to 375°F. Place peeled garlic cloves on a small baking sheet, drizzle with olive oil, and roast for 15-20 minutes until golden, tender, and fragrant. Cool completely, then mash. Finely chop rosemary.
- Chill Fermented Cream: Once fermented, transfer the cream to the refrigerator and chill thoroughly for at least 4 hours, or ideally overnight.
- Churn the Butter: Pour the chilled, fermented cream into the bowl of a stand mixer fitted with the whisk attachment. Whisk on low, gradually increasing to medium-high. Continue until it passes through whipped cream stages, becomes grainy, and then separates into solid butter and liquid buttermilk.
- Rinse the Butter: Carefully drain the buttermilk. Transfer the solid butter to a large bowl filled with ice-cold water. Using a sturdy spatula or your hands, knead and press the butter under the water to release remaining buttermilk. Drain cloudy water and refill with fresh ice water. Repeat 3-4 times until the water runs clear.
- Salt and Swirl: Firmly press out excess water. Transfer butter to a clean bowl and add 1 teaspoon fine sea salt, kneading until evenly distributed. Gently fold in the mashed roasted garlic and chopped rosemary, creating visible ribbons and specks.
- Shape and Chill: Spoon the swirled butter onto parchment paper. Using the paper, shape it into a log or block, about 2 inches in diameter. Twist the ends to secure. Chill in the refrigerator for at least 2 hours, or until very firm.
Notes
For a low-sodium option, reduce or omit added salt. If cream isn’t churning or separating, ensure it’s thoroughly chilled and high in fat. Proper rinsing with ice-cold water is crucial for a pure butter flavor and better shelf life.
- Prep Time: 45 minutes
- Cook Time: 20 minutes
- Category: Condiment
- Method: Churning
- Cuisine: General
Nutrition
- Serving Size: 1 tablespoon (14 g)
- Calories: 105 calories
- Sugar: 0 g
- Sodium: 120 mg
- Fat: 11 g
- Saturated Fat: 7 g
- Unsaturated Fat: 3 g
- Trans Fat: 0.5 g
- Carbohydrates: 0.5 g
- Fiber: 0 g
- Protein: 0 g
- Cholesterol: 30 mg
Keywords: cultured butter, homemade butter, fermented, garlic rosemary, easy recipe, dairy, condiment, rich, tangy
