In a large pan over medium high heat, warm oil. Once oil is warmed, add beef, onions, and Adobo seasoning.
Brown beef, about 6-7 minutes.
Drain ground beef.
Add remaining seasonings and cilantro. Cook an additional minute. Add shredded cheese, if desired. Melt cheese.
To each dough disc, add a slice of cheese to the center, and add 3-4 tablespoons of meat mixture over the cheese slice.
Fold over the dough disc, and with a fork, crimple edges and set to the side.
Preheat Air Fryer at 370 degrees for three minutes.
Once three minutes are over, spray Air Fryer pan with cooking spray and add 3-4 pastelillos to the basket. Close basket, and set to 370 degrees and cook for 7 minutes. After 7 minutes, check on it. Cook up to an additional 3 minutes, or desired level of crispness, if desired.
Repeat until finished.