Best Tonkatsu Chicken Burger Recipe

Ingredients

• ½ cup mayo
• 2 Tbsp ketchup
• 1 ½ tsp soy sauce
• ¾ tsp brown sugar
• ¾ tsp mirin (Japanese sweet wine)
• ½ tsp Worcestershire sauce
• ¼ tsp grated ginger
• ½ tsp grated garlic
• 1 lb ground chicken
• 2 cups panko bread crumbs, divided
• ¼ cup plus 2 Tbsp milk, divided
• 1 green onion, finely chopped
• ½ tsp salt
• ½ tsp black pepper
• 1 cup flour
• 1 egg
• 2 Tbsp sesame seeds
• ½ cup frying oil
• 1 cup iceberg lettuce, shredded
• 4 sesame seed brioche buns