1/2 cup dry mustard
2 tbsp. oilve oil
1/4 cup fresh tarragon, chopped
2 tbsp. white wine vinegar
1 tbsp. sugar
1/2 tsp. salt
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1. Combine 4 tsp. of cold water with the mustard to form a paste. Pour 1 cup of boiling water over the paste, stir and let stand for 45 min. Drain excess water.
2. Add a second cup of boiling water. After 45 min. drain the water again.
3.Stir in the remaining ingredients.