Broiled Salmon Burger with Honey-Balsamic Marinade

Name: Broiled Salmon Burger with Honey-Balsamic Marinade
Prep time: 50 min
Cook time: 15 min
Total time: 1 h 5 min
Cuisine: American
Ingredients: 1 pound fresh salmon (cut into fillets, about 450g); 2 tablespoons olive oil (for the marinade); 2 tablespoons olive oil (for sautéing); 2 tablespoons whole grain mustard; 1 1/2 teaspoons kosher salt; 1 tablespoon honey; 1 tablespoon balsamic vinegar; 1 pinch ground black pepper (to taste); 1 large egg (slightly beaten); 1/4-1/3 cup mayonnaise (60-80ml); 3-4 dashes hot sauce (such as Tabasco or Crystal); 1 tablespoon lemon juice (fresh); 1 stalk green onion (chopped); 2 tablespoons fresh herbs (chopped, dill and flat-leaf parsley recommended); 1/3 cup dried breadcrumbs (for the patty mixture, about 40g); 1/2 cup dried breadcrumbs (for the outer coating, about 60g); 2 whole brioche or sesame hamburger buns (toasted); 1/4 cup tartar sauce (store-bought, or homemade — see note in step 12, about 60ml); 2 large butter lettuce or green leaf lettuce leaves; 2 wedges lemon (for serving)