In a small saucepan over medium high heat melt butter. Whisk in flour and cook mixture whisking constantly until mixture boils. Add chicken stock, continuing to whisk, until chicken stock boils and sauce is emulsified, about 4 minutes. Add salt and pepper. Serve over hot chicken, potatoes.
Yield: approximately 1 cup
To hot Veloute sauce add mushrooms and cook, whisking, over medium heat, until mushrooms release moisture. Add heavy cream and heat to a boil. Season to taste. Serve with poached chicken.
Yield: approximately 1-1/2 cups
Make shallot butter: To softened butter add shallots and lemon juice. Mix thoroughly. Chill until cold, preferably overnight.
To hot Veloute sauce over medium high heat, whisking constantly, add cream, cook until simmering. Add chervil, parsley, tarragon, chives. Whisk in the cold shallot butter, 1 tablespoon at a time until sauce is thickened, glossy. Serve with grilled or roasted chicken.