Squeeze the lemon juice over the top ... Drain well and mash with the butter. Keep warm. For the creamy tarragon sauce, deglaze the pan used for cooking the chicken with the wine.
Off the heat, melt the butter in the same ... to high when you add the cream, cornflour and Parmesan. Wash the lemon well before grating. Lemons can vary, so if your sauce doesn’t taste lemony ...