Preheat oven to 375°F and line a small baking dish with parchment paper.
In a large bowl, combine the ground beef, egg, rolled oats, minced onion, grated carrot, and minced garlic.
Add 1 tablespoon of tomato paste, coconut aminos, sea salt, black pepper, and dried thyme to the bowl.
Mix gently with your hands until just combined, being careful not to overwork the meat.
Shape the mixture into a uniform loaf and place it in the prepared baking dish.
In a small ramekin, whisk together the remaining 1 tablespoon of tomato paste, apple cider vinegar, and honey.
Spread the tomato glaze evenly over the top of the meatloaf.
Bake for 35-40 minutes or until the internal temperature reaches 160°F.
Let the meatloaf rest for 5 minutes before slicing to ensure it remains moist.