Four 1-pound beef short ribs
Sea salt
2 tablespoons vegetable oil, plus more for grill grate
1 medium onion, finely chopped
2 carrots, finely chopped
5 cloves garlic, peeled
5 stalks lemon grass, trimmed and cut into 2-inch pieces
1 two-inch piece ginger, cut into 1/4-inch slices
1 cup soy sauce
1/2 cup dark brown sugar
1/4 cup rice vinegar
3/4 cup ketchup
1/2 cup dark brown sugar
1/2 cup rice vinegar
2 tablespoons mirin
2 teaspoons soy sauce
3 cloves garlic, peeled and lightly crushed with side of knife
3 1/4-inch slices fresh ginger