01 -
Combine shredded chicken with BBQ sauce, mixing thoroughly to ensure even coating.
02 -
Place cheese slices on one side of each bread slice, then add BBQ chicken mixture and red onion on two slices. Top with remaining bread slices, cheese side down.
03 -
Spread softened butter evenly over the outside surfaces of both assembled sandwiches.
04 -
Heat a skillet over medium heat and cook sandwiches for 3-4 minutes per side, applying gentle pressure with a spatula, until bread is golden brown and cheese has melted. Cover briefly if necessary to aid melting.
05 -
Allow sandwiches to rest for 2 minutes before slicing to maintain structure and temperature.