Add all ingredients into the bowl of the stand mixer or into your large bowl. Mix until all ingredients are combined, plus another 30 seconds. You don’t want to overmix as that will make your meatloaf denser.
2 lbs ground turkey, ¼ cup onion, 1 tsp relish, 1 tsp Dijon mustard, 2 tsp Worcestershire sauce, 1 tsp garlic powder, 1 tsp onion powder, 1 tsp herbs de Provence, 1 tsp salt, 1/2 tsp ground black pepper, 1 tbsp BBQ sauce, 1/4 cup bread crumbs, 1/4 cup milk, 1 egg, ¼ cup cheddar cheese