Grilled Salmon Burgers with Wasabi Mayo

Ingredients

• 500 g boneless, skinless salmon pieces or fillets (cut into chunks)
• 3 tbsp panko or dry bread crumbs
• 1 egg white
• 2 green onions (chopped)
• 1 tbsp fresh ginger (minced)
• 2 tsp low-sodium soy sauce (divided)
• 1 large zucchini
• 1 tsp wasabi powder
• 2 thin whole-grain burger buns (split and toasted)
• 1/4 cup light mayonnaise
• 1 tsp sesame oil