Lactose Free Classic Béarnaise
Béarnaise is one of those sauces that feels impossibly luxurious — glossy, buttery, and fragrant with fresh tarragon and a bright hit of white wine vinegar. The secret to making it work without any lactose is clarification: by slowly melting the butter and leaving the milk solids behind, you're left with pure golden butterfat that emulsifies beautifully and skips the dairy proteins that cause problems. That step alone transforms a classic French sauce into something anyone avoiding lactose can enjoy without compromise. The reduction of white wine, vinegar, and shallots gives the base a deep, savory complexity before the egg yolks even enter the picture, and the double-boiler method keeps everything silky and stable. Whisking the warm clarified butter in slowly — drops first, then a thin drizzle — is the move that builds that signature velvety texture. A finish of finely chopped tarragon, a little chervil if you have it, and a squeeze of lemon makes the whole thing sing. Spoon it over a good steak, grilled fish, or roasted vegetables and it will absolutely steal the show.
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Learn more →Ingredients
4 servings
For the reduction
- 3 tbsp white wine vinegar
- 3 tbsp dry white wine
- 2 medium shallots, finely minced
- 1 tbsp fresh tarragon leaves, roughly chopped (for the reduction)
- ¼ tsp black pepper, coarsely cracked
For the sauce
- 3 pasteurized egg yolks
- 1 tbsp cold water
- 1 cup (2 sticks) unsalted butter, clarified
- 1 tbsp fresh tarragon leaves, finely chopped (for finishing)
- 1 tsp fresh chervil, finely chopped (optional)
- salt, to taste
- 1 tsp fresh lemon juice
Instructions
- 1
Clarify the butter: melt the butter in a small saucepan over low heat until the milk solids sink and the foam subsides, about 8–10 minutes. Skim the foam from the surface, then carefully pour the clear golden liquid into a heatproof measuring cup, leaving the white milk solids behind. Keep warm.
- 2
Make the reduction: combine the white wine vinegar, white wine, shallots, roughly chopped tarragon, and cracked black pepper in the small saucepan over medium heat. Simmer until the liquid is reduced to about 2 tablespoons, 4–5 minutes. Strain through a fine-mesh strainer into a heatproof bowl, pressing the solids to extract all the liquid; discard the solids.
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