Secret Recipe Chicken Fricassee

Mix flour and margarine together in a saucepan over medium heat stirring until the flour and margarine form a paste.

Whisk cream into flour mixture about 1/2 cup at a time until smoothly combined; whisk in chicken broth and parsley. Bring sauce to a simmer whisking constantly until thickened.

Whisk egg yolks and lemon juice together in a bowl.

Whisk egg yolk mixture slowly into cream mixture about 1 tablespoon at a time until the sauce barely comes to a simmer and coats the back of a spoon. Do not boil.

If thicker sauce is desired whisk cornstarch and 1/4 cup of sauce in a small bowl; stir cornstarch mixture back into sauce until thickened about 2 minutes.

Stir chicken breast pieces into sauce until chicken is heated through.