01 -
Combine ground chuck, ground beef ham, ginger paste, minced garlic, salt, black pepper, teriyaki sauce, and sambal chili paste in a bowl. Mix thoroughly and shape into evenly sized burger patties, pressing a slight divot in the center of each.
02 -
Place sliced red onion on a grill sheet over medium heat. Grill, stirring occasionally, until onions are soft and caramelized.
03 -
Sprinkle pineapple slices with brown sugar. Grill on both sides until golden-brown and caramelized.
04 -
Grill patties over medium-high heat to preferred doneness, basting with teriyaki sauce during cooking.
05 -
Lay a slice of Swiss cheese over each patty for the final minute of grilling, allowing it to melt.
06 -
Place each patty on a Hawaiian sandwich roll, topping with a grilled pineapple slice, caramelized onions, and extra teriyaki sauce as desired. Serve immediately.