Add sausage; cook and stir over medium-high until sausage is browned. Add the milk and ¼ tsp. Cook and stir until thickened and bubbly; cook and stir 1 minute more. salt and ¼ tsp. How to Make Spicy Italian Sausage GravyPrepare gravy as directed, except substitute ground hot Italian sausage for the pork sausage.