Creamy Coconut Curry Meatballs

Name: Creamy Coconut Curry Meatballs
Ingredients: 1 small onion, peeled, quartered through root end; 6 garlic cloves; 1 1 piece ginger, peeled; 1 serrano chile, halved lengthwise; ½ cup plain whole-milk Greek yogurt; 2 Tbsp. mild curry powder (preferably S&B); 1 tsp. sugar; 1 tsp. plus 1 Tbsp. Diamond Crystal or 2¼ tsp. Morton kosher salt, divided; 1 lb. ground lamb or ground beef chuck (20% fat); ¼ cup panko; 1 tsp. freshly ground pepper; ¼ tsp. baking soda; 2 Tbsp. vegetable oil, divided; 1 13.5-oz. can unsweetened coconut milk; 6 scallions, dark green parts only, thinly sliced; Cooked rice or flatbread and lime wedges (for serving)