01 - Preheat oven to 400°F and line a baking sheet with parchment paper
02 - Combine ground beef, minced garlic, chopped green onions, egg, soy sauce, panko breadcrumbs, sesame oil, gochujang, brown sugar, grated ginger, black pepper, and salt in a large bowl. Mix until just combined
03 - Form the mixture into 20 to 24 bite-sized meatballs and arrange on the prepared baking sheet
04 - Bake for 20 to 25 minutes, turning once halfway through, until browned and cooked through
05 - Mix mayonnaise, sriracha, lime juice, sesame oil, honey, and salt in a small bowl until smooth. Adjust sriracha to desired heat level
06 - Arrange cooked meatballs on a serving platter. Sprinkle with toasted sesame seeds and sliced green onions. Serve hot with the spicy mayo dip on the side