Peanut 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, which keeps the flavor bright and slightly fruity while still building that aromatic backbone with tarragon stems and finely chopped fennel. Once strained, the liquid becomes the base for a silky, butter-rich sauce that clings beautifully to whatever you pour it over. Whisking pasteurized egg yolks over a double boiler and bringing them to 160°F means you get the luscious texture of a classic emulsified sauce without any food-safety guesswork. Adding the butter one tablespoon at a time is the key move here — it's a little meditative, but the result is a sauce so thick and glossy it practically demands a good piece of steak or roasted vegetables underneath it. Store-bought béarnaise simply cannot compete, and you never have to worry about undisclosed additives or shared-facility cross-contact when you make it yourself from scratch. Finish with those finely chopped fresh tarragon leaves and you have something that tastes like it came out of a serious French kitchen.

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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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