01 -
Preheat the oven to 400°F. Line a baking sheet with parchment paper for easy cleanup.
02 -
In a large bowl, place ground beef, breadcrumbs, chopped green onions, minced garlic, grated ginger, soy sauce, sesame oil, egg, brown sugar (if using), salt, and pepper. Mix thoroughly until all ingredients are well combined.
03 -
Form the mixture into 1-inch diameter meatballs and arrange evenly on the prepared baking sheet.
04 -
Bake in the preheated oven for 20 to 25 minutes until the meatballs are cooked through and golden brown.
05 -
While the meatballs are baking, combine mayonnaise, Sriracha, lemon juice, and soy sauce in a small bowl. Mix until smooth and adjust the Sriracha to preferred spice level.
06 -
Garnish the prepared dip with a sprinkle of sesame seeds and chopped green onions, if desired.
07 -
Let the meatballs cool slightly after baking. Serve warm with the spicy mayo dip on the side.