Mustard Sauce for Fish

Ingredients

• 2 tbsp butter
• 1 tbsp spelt whole‑grain flour
• 125 ml Vegetable broth
• 300 ml whipping cream
• 200 ml fish stock
• 2 tbsp coarse mustard
• Salt
• 1 tbsp Lemon Juice
• 1 tbsp finely chopped tarragon

Instructions

1. 1.

   In a saucepan, lightly brown 1 tbsp butter with the flour. Whisk well and deglaze with vegetable broth, bring to a boil and simmer for a few minutes.

2. 2.

   Add half of the cream and the stock, stir and bring to a boil, then let it simmer gently for about 10 minutes. Season with mustard, salt, and lemon juice. Beat the remaining cream until semi‑firm, fold into the sauce, and finish with tarragon.