Jambalaya

Ingredients

• ["1/4 c oil", "1/4 c butter", "6 c green onions, chopped", "5 c onion, chopped", "1 1/4 c celery, chopped with leaves", "1 1/2 c green bell peppers, chopped", "1 pound raw shrimp, minced", "3/4 pound ham, minced", "1/3 c garlic, minced", "2 qt plum tomatoes (if canned, drained), chopped", "1/2 c tomato paste", "2 T basil", "2 T marjoram", "1 1/2 T thyme", "1 1/2 t oregano", "3/4 t cayenne (or more, to taste)", "3/4 t cloves", "2 bay leaves", "8 c chicken stock/broth", "4 c long grain white rice", "2 1/4 pounds ham, in 3/4\" chucks""