01 -
In a large bowl, combine ground chuck, ground beef ham, minced garlic, ginger paste, sambal chili paste, salt, black pepper, and 2 tablespoons teriyaki sauce. Gently mix until just combined. Divide mixture and shape into four burger patties, pressing a small indent in the center of each.
02 -
Slice red onion into rings. Place onion rings on a preheated grill over medium heat. Cook for about 10 minutes, turning occasionally, until softened and well caramelized.
03 -
Dust pineapple slices with brown sugar on both sides. Grill pineapple over medium heat for 2–3 minutes per side, or until grill marks appear and fruit is caramelized.
04 -
Place burger patties on a grill preheated to medium-high. Baste each side with additional teriyaki sauce as they cook. Grill for 4–5 minutes per side, flipping once, until desired doneness. Top each patty with a Swiss cheese slice during the last minute, closing the grill lid to ensure the cheese melts thoroughly.
05 -
Lightly toast Hawaiian sandwich rolls on the grill until golden and warmed through.
06 -
Layer each toasted bun base with a cheesy burger patty, followed by grilled pineapple and caramelized onion. Drizzle with extra teriyaki sauce, cap with the top bun, and serve immediately while hot.