Stuffed Turkey Meatloaf

Ingredients (14)

• + cooking spray (such as Pam®) add to pantry
• + 1 pound ground turkey add to pantry
• + ⅜ cup Italian-seasoned bread crumbs add to pantry
• ✓ ½ onion, diced
• ✓ 2 tablespoons ketchup
• + 1 large egg add to pantry
• + ½ teaspoon salt add to pantry
• + 1 pinch garlic powder, or to taste add to pantry
• + 1 pinch onion powder, or to taste add to pantry
• + ¾ cup shredded mozzarella cheese add to pantry
• + 1 ounce chopped baby spinach add to pantry
• + 2 tablespoons Worcestershire sauce add to pantry
• + 1 ½ teaspoons Dijon mustard add to pantry
• + 1 teaspoon brown sugar add to pantry