In a small bowl, add ¼ cup ketchup, the keto brown sugar, and vinegar. Stir to combine. Put in the fridge to chill.
In a big bowl, add the beef, meatloaf mix, pork panko, onion, almond milk, eggs, ketchup, Worcestershire sauce, parsley, garlic powder, salt, & pepper. Thoroughly mix these ingredients together with your hands until well combined.
Add the meat mixture to a loaf pan. Press the meat down into an even layer.
Pour the sauce on top of the meatloaf and spread it into an even layer.
Bake uncovered for 55 minutes. Rotate pan in the oven and bake for 35 more minutes. Take out of the oven and let it rest for 10-15 minutes before serving so it won't fall apart. Drain or save any excess grease and Enjoy!