01 - Preheat oven to 425°F. Line a baking sheet with parchment paper or lightly grease it.
02 - In a large bowl, combine the shredded chicken, cheddar cheese, Monterey Jack cheese, onion, cilantro, cumin, garlic powder, chili powder, smoked paprika, salt, black pepper, and sour cream (if using). Mix well.
03 - Wrap tortillas in a damp paper towel and microwave for 30–45 seconds until pliable.
04 - Place about 2 tablespoons of the chicken filling along one edge of each tortilla. Roll up tightly and place seam-side down on the prepared baking sheet.
05 - Brush or spray the tops and sides of taquitos lightly with vegetable oil.
06 - Bake for 18–22 minutes, or until golden brown and crispy, turning once halfway through for even crispiness.
07 - Serve hot with salsa, guacamole, sour cream, and lime wedges.