Cook rotini pasta according to package directions.
Meanwhile, in a large skillet, saute chopped red pepper and onion in butter and oil until tender.
Add garlic; saute for 1 minute longer.
Stir in the cooked pork, tomatoes (Ro-tel), corn, broth, cumin, pepper, and salt; heat through.
Drain pasta. Add pasta and cheese to pork mixture; stir until blended.
Sprinkle with green onions.