Add all ingredients, except oil to food processor and combine. Slowly stream in oil with processor running until a thin but emulsified aioli forms. Refrigerate until use.
For Burgers
Place ground turkey in a large bowl.
Grate onion and garlic directly over the bowl.
Add the rest of the ingredients, except cheese and rolls and mix well.
Form the meat mixture into 6 burgers. Place an indentation in the center of each burger on one side.
Spray each burger with cooking spray.
Place burgers on the grill with the indentation down first.
Grill over medium high heat until browned on the first side. Don’t try to flip burgers until they are browned or they will fall apart. You can also grill them on a piece of aluminum foil.
After flipping, top with sliced leyden cheese and melt.
Cook burgers until internal temperature reaches 165°F. Let rest 5 minutes.
Toppings and Assembly
Grill tomatoes on aluminum foil until browned.
Grill peppers directly on grill grates until very brown. Place in a bowl and cover with plastic wrap. When cool enough to handle, scrape brown skin off of peppers. Slice peppers lengthwise into strips.
Grill onion directly on grates until nicely browned, flip and brown the other side
Toast rolls on grill grates.
Top the bottome of the roll with 1/4 c. lettuce, then burger. Add Peppers, tomatoes and top with aioli
Crumble cotija on top of all.
Video
Notes
Leftovers can be refrigerated for 3-4 days.Reheat in microwave until hot.Do not freeze.