Walnut Free Fennel Béarnaise Sauce

Total time30 min

Prep time15 min

Cook time15 min

4.9

(19)

Classic béarnaise already has a reputation for being fussy, but this fennel-forward version is genuinely worth the effort — silky, buttery, and layered with the anise-like brightness of fresh tarragon and sweet fennel. The reduction built from white grape juice, water, tarragon stems, and finely chopped fennel is the secret foundation, concentrating those aromatic flavors before a single drop of butter ever hits the bowl. Pasteurized egg yolks are whisked into that strained reduction and cooked over a gentle double boiler until they hit the food-safe threshold of 160°F, so you get both the lush, custardy texture and the peace of mind. Butter goes in one tablespoon at a time, each piece fully emulsified before the next, which is what gives the finished sauce that glossy, spoon-coating body. A final stir of finely chopped tarragon leaves keeps the herb flavor fresh and vibrant rather than cooked-out. Every ingredient here is straightforward — no nut oils, no nut-based thickeners, nothing hiding in a spice blend — just clean, classic French technique with a fennel twist. Spoon it over grilled steak, roasted fish, or steamed asparagus and watch it disappear.

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Ingredients

4 servings

For the reduction

3 tbsp white grape juice
3 tbsp water
1 tbsp fresh tarragon stems, roughly chopped
2 tbsp fennel bulb, finely chopped

For the sauce

3 pasteurized egg yolks
½ cup unsalted butter, cut into 1-tbsp pieces
¼ tsp salt
2 tbsp fresh tarragon leaves, finely chopped

Instructions

1
Combine the white grape juice, water, chopped tarragon stems, and fennel in a small saucepan over medium heat. Bring to a simmer and cook until the liquid reduces to about 2 tablespoons, 5–7 minutes. Pour through a fine-mesh strainer into a heatproof bowl, pressing the solids to extract all the liquid; discard the solids.
2
Add the pasteurized egg yolks to the strained reduction in the heatproof bowl and whisk until the mixture is smooth and slightly thickened.

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