Shellfish Free Fennel Béarnaise Sauce

Total time30 min

Prep time15 min

Cook time15 min

4.9

(19)

Classic béarnaise is already a showstopper, but this version layers in the subtle anise sweetness of fresh fennel for something that feels genuinely special. The reduction starts with white grape juice and water instead of wine, building a bright, aromatic base that lets the tarragon and fennel shine without any harsh acidity. Butter goes in one piece at a time over a gentle double boiler, which is the patient, low-tech secret to a sauce that turns out glossy and perfectly emulsified every single time. Pasteurized egg yolks are used here, and the mixture is brought to 160°F, so you get that rich, custardy body with a clear food-safety checkpoint built right into the process. The whole thing finishes with a handful of freshly chopped tarragon leaves stirred in at the end, keeping the herb flavor vivid and green rather than cooked-down and flat. Every ingredient in this sauce is straightforward — butter, eggs, fresh herbs, fennel — so there is absolutely nothing to second-guess for anyone avoiding shellfish or scanning labels for hidden seafood derivatives. Spoon it over grilled steak, roasted vegetables, or poached chicken 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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