01 -
Warm olive oil in a large skillet over medium heat. Add the sliced red onion and sauté until softened, approximately 2 minutes. Introduce the minced garlic and cook briefly until aromatic, about 30 seconds. Incorporate the shredded roasted chicken, paprika, Worcestershire sauce, and BBQ sauce. Stir thoroughly to combine and heat the mixture until evenly warmed through, 2-3 minutes.
02 -
Combine unsalted butter, minced garlic, and chopped parsley in a medium bowl. Melt the mixture in a microwave until fully liquid, then stir to blend.
03 -
Arrange all slices of bread on a clean surface. Evenly spread the garlic butter mixture onto one side of each slice. Flip the slices so the buttered sides face down for assembly.
04 -
On six slices of bread (buttered side down), layer half the Havarti cheese slices. Distribute the BBQ chicken filling equally over the cheese. Cover with the remaining cheese slices, then top with the last six slices of bread, buttered side up.
05 -
Place the assembled sandwiches into a large non-stick skillet over medium heat. Cook until the bottom side is golden brown, approximately 3 to 5 minutes. Carefully turn the sandwiches over, reduce the heat to medium-low, and continue cooking for another 3 to 5 minutes until the second side is browned and the cheese has fully melted.