Home-made gravy

Remove the cooked turkey from the roasting tin and keep warm.Drain most the fat from the tin,leaving 3-4tbsp,sprinkle on 3tbsp flour and stir with a wooden spoon until smooth.Cook on the hob over a very low heat for 1 min,stirring all the time.Gradually whisk in 600ml chicken stock,using a whisk,and cook,whisking all the time,until you have a smooth gravy.Simmer for 2-3 mins.Then pour into a gravy boat.