2 pounds lean ground sirloin
1 tablespoon vegetable oil
1 large onion, chopped
1 green bell pepper, chopped
1 jalapeño pepper, ribs and seeds removed, chopped
4 garlic cloves, minced
2 tablespoon chili powder
1 tablespoon paprika
1 tablespoon ground cumin
1 teaspoon dried oregano
1/2 teaspoon...