French Onion Beef Noodle Soup

Name: French Onion Beef Noodle Soup
Ingredients: 2 Tbsp. vegetable oil; 3 lb. English-style bone-in beef short ribs, cut into 2 segments; Kosher salt; 6 scallions, white and dark green parts separated; 8 garlic cloves; 1 4 piece ginger, scrubbed, thinly sliced; 6 star anise pods; 2 3 cinnamon sticks; 8 whole cloves; 2 tsp. black peppercorns; 2 tsp. coriander seeds; 1 cup dry white wine; ½ cup (or more) low-sodium soy sauce; 3 Tbsp. unsalted butter; 5 lb. onions (about 10 medium), thinly sliced; 2 Tbsp. (or more) unseasoned rice vinegar; 30 oz. fresh or 18 oz. dried ramen noodles