Jerk Turkey Burgers with Grilled Pineapple Sauce

Ingredients

• 1 lb ground turkey
• 3 Tbsp Jamaican jerk seasoning
• 3 1/2-inch thick fresh pineapple rings
• 1/2 small white onion (sliced into 2 wedges)
• 1 large red bell pepper (quartered)
• 1 jalapeño pepper
• 1 tsp grapeseed or canola oil
• 1 garlic clove (peeled and minced)
• 2 Tbsp cider vinegar
• 2 tsp honey
• 1/4 tsp salt
• 4 whole wheat hamburger buns (halved)
• 2 cups baby spinach