Wheat Free Fennel Béarnaise Sauce

Total time30 min

Prep time15 min

Cook time15 min

4.9

(19)

Classic béarnaise is already a naturally flour-free sauce, but this version takes things a step further by swapping the traditional white wine and vinegar reduction for white grape juice and water, giving it a subtly sweet, aromatic base that feels genuinely fresh. The addition of finely chopped fennel bulb in the reduction adds a gentle anise note that plays beautifully with the tarragon, making this feel like a more interesting, layered sauce than the standard recipe. Whisking pasteurized egg yolks over a double boiler and building in cold butter one piece at a time creates that signature glossy, velvety texture — rich enough to coat a spoon and cling to everything it touches. There are no thickeners, no flour, no starch — just butter, yolks, aromatics, and technique doing all the heavy lifting. It's the kind of sauce that makes a simple piece of grilled steak or roasted vegetables feel like a proper restaurant plate. The finishing stir of fresh tarragon leaves keeps the herb flavor bright rather than cooked-out, which makes a real difference in the final bowl.

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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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