Preheat Oven 350°F - fill the baking tray with water for moisture. Line loaf pan with foil.
Sauté onion in 1 tbsp butter 6-8 minutes medium heat. Salt and pepper to taste. Add garlic during the last minute of cooking time. Set aside to cool.
In a bowl lightly combine meat, bread crumbs, egg, Worcestershire, milk, seasonings. Let stand for 3-5 minutes.
Add sautéed vegetables to the meat mixture. Combine but do not over mix.
Shape meatloaf into a 9x5 loaf pan and top with 1/2 cup Kick Sauce. Save rest for later
Place in a preheated oven for 40 minutes. Reglaze meatloaf with remaining sauce and place back in oven for another 20 minutes or until internal temperature reads 160°F