01 -
Divide the ground chuck into six 1/3-pound balls.
02 -
Use a burger press to flatten each ball into an evenly-sized patty.
03 -
Generously apply salt, pepper, and garlic rub on both sides of each patty.
04 -
Heat the griddle to a high temperature suitable for searing.
05 -
Place patties on the hot griddle and cook for 4 minutes without moving.
06 -
Turn patties over, season the cooked side, and place three slices of pepper jack cheese on each. Cook for 3 additional minutes.
07 -
Transfer the patties to a cooler section of the griddle to allow cheese to melt evenly.
08 -
Reduce griddle heat and toast Texas toast buns until golden brown, about 3 to 5 minutes.
09 -
Spoon a generous portion of jalapeño popper mixture over each patty, stack double patties, and top with the second bun slice.
10 -
Return the assembled sandwiches to the griddle, toast both sides briefly until heated through, and serve immediately.