Ingredients
Reduction
- 1 cup fresh tarragon leaves, roughly chopped
- 1⁄2 cup thinly sliced shallots
- optional: 1 rounded tsp whole black peppercorns
- 1⁄2 cup white wine vinegar
- 1⁄2 cup white wine
- 1⁄3 cup water
Compound Butter
- 1⁄4 cup chopped tarragon
- 1 tsp drained capers
- 1 tbsp cold butter
Béarnaise:
- 2 large egg yolks
- 3 tbsp tarragon vinegar reduction
- 8 tbsp cold unsalted butter, cubed
- 1 tbsp caper tarragon compound butter
- salt and cayenne to taste
- optional: freshly ground black pepper to taste
Method
Make the reduction
- Chop tarragon leaves
- Slice shallots thinly
- Transfer to a medium saucepan
- Add peppercorns and the liquids
- Place on medium high heat and bring to a simmer
- Maintain simmer and reduce to ~3 tbsp
- Strain through a small mesh strainer into a bowl
- Wrap up and refrigerate until needed
Make the compound butter
- Add chopped tarragon and capers to a large mortar and grind until pasty
- Add cold butter and mash together
- Transfer compound butter onto plastic, wrap, and refrigerate until needed
Make the bearnaise
- Add all the ingredients except the compound butter to a medium mixing bowl
- Whisk constantly over low–medium heat, holding the bowl with a towel
- The butter will melt
- It will thicken and become paler
- When gets thick, whisk in the compound butter and turn off the heat
- Taste and season
References