Start by shredding or chopping your cooked chicken. Add it to a large mixing bowl along with the refried beans, salsa, shredded cheese, green onions, and spices (cumin, oregano, chili powder). Stir well until everything is combined and the mixture feels spreadable. Taste and adjust the seasoning if needed.
Lay a tortilla on a flat surface. Spoon about 1/2 cup of the chicken mixture into the center. Fold the sides toward the filling, then roll the tortilla tightly like a burrito, ensuring the seam is at the bottom. Repeat this for all tortillas.
For a healthier alternative, preheat your oven to 400°F. Place the rolled chimichangas on a baking sheet and brush them lightly with oil. Bake for 25 minutes or until golden and crispy. If pan-frying, heat oil in a skillet over medium heat. Place the chimichangas seam-side down, cooking and turning them every 30 seconds until they are golden on all sides.
Transfer the crispy chimichangas onto a plate and top them with salsa, sour cream, or guacamole. Serve warm and enjoy the crunch in every bite!