01 -
Stir the cooked shredded chicken and BBQ sauce together in a small skillet over medium-low heat for 2-3 minutes, until warm and glossy.
02 -
Place the pineapple slices on paper towels and blot both sides well. Thin, dry slices keep the bread from turning soggy.
03 -
Butter one side of each bread slice. Place 4 slices butter-side down, then layer cheddar, BBQ chicken, pineapple, red onion, and Monterey Jack. Top with the remaining bread, butter-side up.
04 -
Heat a large skillet over medium-low heat. Cook 2 sandwiches at a time for 3-4 minutes, pressing lightly, until the bottoms are golden brown.
05 -
Flip carefully and cook for 2-3 minutes more, until the second side is golden and the cheese is fully melted. Rest 1 minute, then slice and serve.