Spicy German Pork

Ingredients
4 pork shoulder steaks 1 inch thick
1/4 Cup butter
2 Tablespoons bottled gravy sauce
2 teaspoons salt
1/3 teaspoon pepper
1/4 Cup brown sugar
6 Tablespoons wine vinegar
1 teaspoon cinnamon
1 teaspoon all spice
1 teaspoon cloves

Directions
Brown pork in butter, then add the rest of the ingredients. Cover and cook one hour. Thicken with a little water and cornstarch , mix and cook until thickened.