Drain pineapple, reserve syrup. Drain and chop tomatoes, reserve juice. Combine reserved syrup, tomatoes and juice in a large bowl with tomato paste, green chilies, 2 cloves garlic, 1 onion, bell pepper, chili powder, cumin, jalapenos and salt. Heat oil in Dutch oven or large saucepan. Brown meat on all sides in batches. (Don't overcrowd the pot. Add just enough meat to cover bottom.) Return all meat to pot; add remaining garlic and onion. Cook until onion is soft. Add tomato mixture to meat. cover and simmer 3 hours, stirring ocassionally. Add pineapple during last 30 minutes of cooking. Serve with green onions, cheese and sour cream if desired.
* For more fire, add 2 Tbs. diced jalapenos.