Trim fat from pork; discard fat. Cut pork in 1- to 2-inch pieces.
In a 4- to 5-quart Dutch oven cook pork, half at a time, in hot oil over medium-high heat until browned, stirring occasionally. Remove from pan. Add butter to pan. Add celery, onion, chives, parsley, basil, dill weed, and black pepper; cook for 8 to 10 minutes or until vegetables are tender, stirring occasionally.
Add pasta sauce, tomatoes, corn, carrots, potatoes, and browned pork to onion mixture. Bring to boiling; reduce heat. Simmer, covered, about 1-1/2 hours or until meat and vegetables are tender, stirring occasionally. Season to taste with salt. Makes 8 (1-1/3-cup) servings.