Baked Mongolian Beef Meatballs

Name: Baked Mongolian Beef Meatballs
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: Asian
Ingredients: 2 tablespoons avocado oil; 2 pounds 85% lean ground beef (); 1 large egg; 2 tablespoons coconut aminos (I like Big Tree Farms Brand); 2 tablespoons arrowroot flour; 1/2 teaspoon freshly grated ginger ((from about 1/2-inch knob of ginger)); 2 garlic cloves, minced; 1 teaspoon kosher salt; 1/2 teaspoon ground white pepper (); 1/3 cup thinly sliced green onion, (white and light green parts only); 1½ teaspoons toasted sesame oil; 3 tablespoons coconut aminos; 2 tablespoons rice vinegar; 1 teaspoon fish sauce; 2 teaspoon arrowroot flour; 1/4 cup beef broth; 1 tablespoon ketchup (); 1/4 teaspoon cayenne pepper, (optional); 1 teaspoon toasted sesame seeds; 1/4 thinly sliced green onions, (green parts only)