Healthy Veggie-Packed Meatloaf

1. Preheat your oven to 350°F (175°C).
2. Sauté the diced onion in 1 teaspoon olive oil for 5-7 minutes until softened. Squeeze excess liquid from grated zucchini using a cheesecloth.
3. In a large bowl, combine the lean ground beef, whole wheat breadcrumbs, egg, grated carrot, grated zucchini, sautéed onion, salt, Italian seasoning, and 1 tablespoon ketchup until well mixed.
4. Line a loaf pan with parchment paper or lightly grease it.
5. Transfer the meat mixture into the pan, pressing it down evenly.
6. Bake for 1 hour, or until the internal temperature reaches 160°F.
7. Spread an additional 1-2 tablespoons of ketchup over the top as a glaze and bake for an additional 20 minutes.
8. Let it rest for 5-10 minutes before slicing. Enjoy your nutritious and delicious meatloaf!