Teriyaki Burgers with Grilled Pineapple

Bahan-bahan (4 porsi)

• 1 pound 93% lean ground turkey
• 1/4 cup whole wheat panko bread crumbs
• 1 tablespoon minced fresh garlic (about 3 cloves)
• 1 tablespoon minced fresh ginger
• 1/2 teaspoon ground black pepper
• 1/4 cup chopped fresh cilantro
• 4 rings canned pineapple (reserve juice for teriyaki sauce below)
• 1 red onion (cut into 1/2-inch-thick slices)
• Whole wheat hamburger buns (for serving)
• 1/4 cup reserved pineapple juice (from canned pineapple above)
• 1/2 cup low-sodium soy sauce
• 2 tablespoons rice vinegar
• 1 tablespoon honey
• 1 teaspoon minced garlic (about 1 clove)
• 2 teaspoons minced fresh ginger
• 1 tablespoon cornstarch