Add some Asian flair to your burger with this teriyaki burger recipe. Mix ground beef with soy sauce, ginger, garlic, and sesame oil, form into patties, and cook on a grill or stovetop. Brush with teriyaki sauce and top with grilled pineapple and sliced red onion. Serve on a toasted bun with lettuce and more teriyaki sauce for a sweet and savory meal.