01 -
Preheat the oven to 400°F. Line a large rimmed baking sheet with aluminum foil and an oven-safe wire rack.
02 -
Mix ground beef, 2 tablespoons of barbecue sauce, salt, and black pepper in a large bowl, taking care not to overwork the meat.
03 -
Divide the ground beef mixture into four equal portions, approximately 4 ounces each. Shape each into a patty 3 ½ inches in diameter and ½ inch thick.
04 -
Place two slices of bacon in a criss-cross pattern. Add one beef patty in the center, followed by a pineapple slice on top. Fold the bacon over the patty and secure with a toothpick.
05 -
Repeat the process for all four burgers and place them on the prepared baking sheet.
06 -
Bake for 15 minutes. Remove from oven, brush the remaining 2 tablespoons of barbecue sauce over the bacon, and bake for another 10-15 minutes, or until the internal temperature reaches 160°F.
07 -
Toast the burger buns if desired while the burgers are cooking.
08 -
Let the burgers rest for 5 minutes. Serve on buns with optional toppings like lettuce, onion, or cheese.