Let the beef rest before slicing—bringing it to room temperature ensures it cooks more evenly.
If the pan becomes too dry while cooking, deglaze with a splash of broth before adding the flour to protect the flavor base.
Use a wide skillet or pan—overcrowding the ingredients prevents proper caramelization.
If the sauce thickens too much when reheating, loosen it with a bit of broth or reserved pasta water instead of adding more cream.