1 Tbsp minced shallot
2 tsp of dried tarragon, basil, chervil or dill
1/2 cup dry white wine
2 Tbsp tarragon vinegar
4 Tbsp butter
1 tsp of minced fresh parsley
Over high heat, reduce minced shallot, tarragon, white wine and tarragon vinegar. Reduce the heat to low and swirl in the butter and parsley.