Gluten Free Fennel Béarnaise Sauce

Total time30 min

Prep time15 min

Cook time15 min

4.9

(19)

Classic béarnaise is already built on butter and egg yolks, so this silky, herb-forward sauce fits naturally into a gluten-free kitchen without any workarounds or substitutions. What makes this version especially interesting is the fennel — finely chopped and simmered into the reduction alongside tarragon stems, it adds a subtle anise sweetness that deepens the sauce's flavor well beyond the standard recipe. White grape juice stands in for the traditional white wine, giving the reduction a gentle acidity that brightens every bite. The double hit of tarragon — stems in the reduction, fresh leaves stirred in at the end — means the herb flavor is layered and vivid rather than flat. Whisking the yolks over a double boiler and bringing them to 160°F keeps the texture luxuriously thick while hitting the food-safety mark for egg-yolk sauces. Drizzle it over grilled steak, roasted vegetables, or poached fish and it instantly elevates the whole plate. It's the kind of sauce that makes people ask what restaurant you trained at.

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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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