Step 1 In a gallon sized Ziploc plastic bag, combine soy sauce, brown sugar, sesame oil, chili paste, and garlic. Add the short ribs and marinate for up to 2 hours or overnight in the refrigerator. Turning the bag occasionally. Step 2 Preheat grill on high heat. Remove short ribs from marinade and grill on high about 4-5 minutes per side until edges look caramelized. Step 3 Garnish with chopped green onions and serve immediately.