Brown sausage according to package directions. Drain.
In a small saucepan mix together a small amount of grape jelly with the cornstarch.
Blend well. Add remaining jelly and ketchup. Cook over medium heat, stirring constantly,
until mixture thickens slightly and begins to boil. Continue to cook and stir for
Pour mixture into a chafing dish or into a heatproof dish on a hot tray.