Defat the pan drippings by placing them in a fat separator cup. (If you don't have a separator cup, pour the drippings into a bowl, add a few ice cubes and skim off the fat once it rises and hardens.)

Combine the fat-free drippings, pepper, poultry seasoning and bouillon granules in a 1-quart saucepan.

Simmer over low heat for 5 minutes.

While the gravy is heating, combine the flour and milk in a jar with a tight-fitting lid and shake until smooth.

Slowly add the milk mixture to the simmering broth, stirring constantly with a wire whisk.

Continue to cook and stir until the gravy is thick and bubbly. Serve warm.