Created by Tisme on July 23, 2023
Step 1: Melt 50 grams (half) of the butter over a medium heat; add in the garlic & cook for 1 minute or until butter is foaming and garlic fragrant. Stir in flour and cook for a further minute.
Step 2: Whisk in white wine and Dijon mustard and reduce heat and simmer gently until sauce is reduced by half; stir in the stock,sugar and tarragon, slow simmer uncovered for 5 minutes
Step 3: Slowly, whisk in remaining 50 grams butter a little at a time, until sauce thickens and becomes glossy. Stir through wholegrain mustard.
Step 4: Season to taste and serve.