Mojo Meatballs

Place a rack in lower third of oven; preheat to 500°. Set aside ½ cup cilantro for making the sauce; finely chop remaining ½ cup cilantro. Lightly beat egg in a medium bowl to blend. Add panko, cumin, 1 Tbsp. oil, 2 tsp. sugar, and 1½ tsp. Diamond Crystal or 1 tsp. Morton kosher salt and stir until panko softens and turns pasty. Finely grate 3 garlic cloves and 1 chile into mixture, add chopped cilantro, and mix well to combine. Using your hands, mix in pork until evenly distributed.