Preheat your Traeger Ranger to high with the cast iron griddle insert. Alternately, put a cast iron pan or griddle inside any other Traeger grill, on high
Using a burger press, create two patties from the pound of beef
Season the burgers all over with Garlic Junkie or the rub of your choice
While the grill preheats, prepare the rest of your ingredients
Pour the enchilada sauce in a shallow bowl
Wash and chop the lettuce
Slice the onion thinly
Make the guacamole
Heat the refried beans in a pan or the microwave
Crumble the Cotija cheese
Prepare the green chilis and jalapenos and set aside
When the grill is hot, cook the burgers about 5 minutes per side, until you reach your desired doneness
Top the patties with cheese and allow it to melt
Once melted, remove the burgers from the grill and tent with foil while you prepare the buns
Add a bit of oil or nonstick spray to the scraped griddle
Dip each bun in the enchilada sauce and then place cut side down on the hot griddle
Cook until toasted and warmed through
Assemble the burgers
On the bottom bun, spread refried beans
Top the beans with sliced onion and chopped lettuce
Put the burger patty atop the lettuce
To the top bun, spread guacamole
Top the guacamole with chopped green chilis and jalapenos
Drizzle the burger with crema/sour cream and sprinkle with cotija cheese
Put top bun on the burger and serve with a knife and fork