1 Tbsp vegetable oil
12 ounces fresh (not smoked) andouille sausage, removed from casing
1 pound ground pork
1 large yellow onion, diced
3 celery stalks with leafy tops, diced
1 large green bell pepper, seeded and diced
3 cloves garlic, minced
2 cups chicken or pork stock
28-ounce can diced...