01 - Preheat the oven to 375°F. Line a baking sheet with parchment paper or lightly grease a loaf pan.
02 - In a large bowl, gently mix ground turkey, eggs, onion, garlic, celery, carrot, breadcrumbs, milk, Worcestershire sauce, salt, pepper, and thyme until just combined. Avoid overmixing.
03 - Form the mixture into a loaf shape on the prepared baking sheet or press into the loaf pan.
04 - In a small bowl, whisk ketchup, brown sugar, apple cider vinegar, and Dijon mustard until smooth.
05 - Spread half of the glaze evenly over the top of the meatloaf.
06 - Bake for 40 minutes, then remove from oven.
07 - Spread the remaining glaze over the meatloaf and bake for an additional 15 minutes or until internal temperature reaches 165°F and the surface is caramelized.
08 - Allow the meatloaf to rest for 10 minutes before slicing and serving.