Tuscan Bean And Cabbage Soup
["1 Tbsp. butter", "2 Tbsp. olive oil", "1 medium onion, coarsely chopped", "2 celery stalks, diced", "3 garlic cloves, finely chopped", "1 1/2 lb. green cabbage, chopped", "6 c. chicken stock or canned low-salt broth", "1 (28 oz.) can Italian plum tomatoes, drained and chopped", "2 c. canned cannellini beans, drained", "1 smoked ham bone or smoked ham hock", "1/4 c. chopped, fresh basil or 1 heaping Tbsp. prepared pesto sauce", "salt and freshly ground pepper", "Parmesan Croutons (see recipe)"]
["Melt butter with oil in heavy, large pot over medium heat. Add onion, celery and garlic and cook 5 minutes, stirring frequently.", "Add cabbage and cook 5 minutes, stirring occasionally.", "Add stock, tomatoes, beans, ham bone, basil or pesto, salt and pepper and bring to a boil.", "Reduce heat and simmer 45 minutes, stirring occasionally.", "Taste and adjust seasoning.", "Discard bone.", "Can be prepared 1 day ahead.", "Cool, cover and refrigerate.", "Bring soup to simmer before continuing. Makes 8 servings."]
["butter", "olive oil", "onion", "celery stalks", "garlic", "green cabbage", "chicken stock", "Italian plum tomatoes", "cannellini beans", "ham bone", "fresh basil", "salt", "Parmesan Croutons"]