Preheat your oven to 375°F and line a small baking dish with parchment paper.
Heat the olive oil in a small skillet over medium heat, add half of the sliced onions, and sauté until they are golden and sweet.
In a large mixing bowl, combine the ground turkey, egg, almond flour, remaining raw diced onions, minced garlic, smoked paprika, sea salt, and black pepper.
Shape the turkey mixture into a uniform loaf and place it into the prepared baking dish.
In a small ramekin, whisk together the tomato paste, maple syrup, and liquid smoke to create the glaze.
Spread the smoky glaze evenly over the top and sides of the meatloaf using a spoon or brush.
Bake for 25 to 30 minutes or until the internal temperature reaches 165°F.
Let the meatloaf rest for 5 minutes before topping with the caramelized onions and slicing.