Mushroom Free Fennel Béarnaise Sauce

Total time30 min

Prep time15 min

Cook time15 min

4.9

(19)

Classic béarnaise is already a showstopper, and this fennel-forward version takes the whole concept somewhere a little more interesting. The aromatic fennel bulb and fresh tarragon build a fragrant, herbaceous reduction that becomes the backbone of the sauce — bright, slightly anise-kissed, and deeply savory. Because the ingredient list is built entirely around butter, egg yolks, fresh herbs, and a simple white grape juice reduction, there's nothing here that sneaks in unwanted fungi or plant-based fillers. The double-boiler technique keeps the yolks gently cooking to a safe 160°F while you whisk in cold butter piece by piece, which is exactly how you get that glossy, spoonable texture that clings beautifully to steak, roasted vegetables, or grilled fish. Pasteurized egg yolks give you an extra layer of confidence without changing the flavor or the process at all. It's the kind of sauce that looks impressive on the table but rewards patience more than skill — if you can whisk and watch a thermometer, you've got this.

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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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