Ahi Tuna Burgers with Grilled Pineapple

INGREDIENTS

• For the Ahi Tuna Patties:
• 2 lbs. ahi tuna steaks, diced
• 3 Tb. soy sauce
• 1/4 cup light mayonnaise
• 1 Tb. sriracha chili sauce
• 1 egg
• 1 cup chopped scallions, greens and whites
• 1 Tb. fresh grated ginger
• 2 Tb. sesame seeds
• 3/4 cup panko bread crumbs
• sesame oil for cooking
• For the Hoisin Mustard:
• 1/4 cup dijon mustard
• 1/4 cup hoisin sauce
• 1 Tb. honey or sugar
• For the Tuna Burgers:
• 6 buns
• 6 rounds slices of fresh pineapple
• 1 ripe avocado, sliced
• 6 butter lettuce leaves