Preheat oven to 400 degrees F. Line a baking sheet with foil for easy cleanup. Top with a baking rack and spray with cooking spray; set aside.
Add all of the meatball ingredients to a large mixing bowl except the beef and whisk to thoroughly combine. Add the beef and mix with your hands just until combined.
Use a small cookie scoop (1 ½ tablespoon capacity) to roll into meatballs. Place meatballs onto prepared baking sheet without touching.
Bake at 400 degrees F until the meatballs reach an internal temperature of 160 degrees F on an instant read thermometer, about 20 minutes.
Meanwhile, whisk all of the Sauce ingredients together in a braiser, Dutch oven or very large saucepan off heat. Once combined, bring to a gentle simmer, stirring constantly, until warmed through.
Add the baked meatballs to the sauce and stir to evenly coat. Serve warm or transfer to the crockpot and keep on the “warm” setting until ready to serve.