01 -
Set the Blackstone Grill to medium-high heat, reaching approximately 400°F. Add ground beef and cook, breaking it apart, until fully browned and no pink remains. Season evenly with salt and black pepper as the beef cooks.
02 -
Combine mayonnaise, ketchup, finely chopped pickles, diced onion, and white vinegar in a bowl. Mix thoroughly until smooth and homogeneous. Set aside for assembly.
03 -
Place tortillas flat on the grill. Spread a generous portion of special sauce onto one half of each tortilla. Top with browned ground beef, a scattering of chopped dill pickles, and an even layer of shredded cheddar cheese.
04 -
Fold each tortilla in half to enclose the fillings. Cook for 2 to 3 minutes until the underside is golden brown. Carefully flip and cook another 2 to 3 minutes until the reverse side is crisp and the cheese is fully melted.
05 -
Transfer quesadillas from grill to a cutting board. Slice each quesadilla into four pieces using a sharp knife or pizza cutter. Serve immediately while hot.