Step 1: Heat oil in a pot.
Step 2: Add pork. Brown it on all sides.
Step 3: Add onion and garlic. Cook until soft.
Step 4: Sprinkle flour. Stir for one minute.
Step 5: Slowly pour chicken broth. Stir well.
Step 6: Add green chiles and jalapeño. Stir.
Step 7: Add cumin, salt, pepper, and oregano.
Step 8: Let it boil gently.
Step 9: Lower heat. Cook for 1 hour.
Step 10: Add cornstarch if it needs thickening.
Step 11: Stir and cook for 5 more minutes.
Step 12: Serve hot with your favorite sides.