Chill brisket scraps and grinder parts in the freezer for at least an hour.
Grind the meat, aiming for an 80-20 meat-to-fat ratio.
Form half-pound patties, being careful not to overwork the meat.
Season patties with salt and pepper.
Prepare the Ninja Woodfire Grill with Smokin' Pecan Pellets and set it to 220°F or 104°C.
Smoke the patties until they reach an internal temperature of 120°F or 49°C.
While smoking, prepare the burger sauce by mixing ketchup, mayo, pickle juice, and optional sriracha.
Slice onion and tomato; prepare lettuce and buns.
Once the patties are smoked, sear them on high heat until a crust forms.
Toast brioche buns with butter.
Assemble the burgers with sauce, smoked patties, cheese, onion, tomato, and lettuce.
Enjoy your Woodfire Smoked Thick Burger, and happy grilling!