Preheat oven to 375 degrees F. Coat a large baking sheet with nonstick cooking spray; set aside.
In a large bowl, mix together the ground chicken, chorizo, egg, salsa verde, salt, and breadcrumbs until just combined (mixture will be sticky.)
Using a tablespoon sized cookie scoop, form the meatballs.
Warm the oil in a large nonstick skillet over medium-high heat. Add meatballs in batches, if necessary, and cook for about 2 minutes per side until they form a nice crust.
Transfer to the prepared baking sheet. Place in the oven and bake for 15 minutes.
Divide meatballs among corn tortillas and sprinkle with Cotija cheese and cilantro.
Notes
• Use a high quality salsa verde for the best flavor.• You can also serve these with Spanish rice, instead of tortillas.