Rinse ribs well to remove any bone shards. Trim excess fat off of the ribs and then coat with the brown sugar.
In a mixing bowl, whisk together all sauce ingredients or toss them in a Vitamix or food processor and process on medium speed for one minute, or until mostly blended.
Place ribs into a large heavy duty storage bag or storage container and add sauce. Place in refrigerator until ready to cook.
Add ribs and sauce to Pressure Cooker cooking pot.
Lock on lid and close Pressure Valve. Cook on High Pressure for 6 minutes.
When Beep sounds, allow a 15 minute natural release.
Transfer ribs to cookie sheet and place under the broiler for five minutes on each side. Sprinkle with Toasted Sesame Seeds and chopped Scallions.
Notes
If your market does not carry Asian Pears, substitute with a Bosc Pear. Serve with Korean Kalbi Dipping Sauce.