Slow Cook: Soy Braised Short Ribs

Name: Slow Cook: Soy Braised Short Ribs
Cuisine: Asian, Korean
Ingredients: 1 tbsp vegetable oil, divided; 6 oz shiitake mushrooms, sliced; 3 scallions, thinly sliced, whites and greens separated; 1 tbsp fresh ginger, grated; 3 cloves garlic, minced; ½ cup beef or chicken broth; 2 tbsp soy sauce; 1 tbsp dry sake or mirin; 1 tbsp packed brown sugar; 2 tsp fish sauce; 1 ½ lbs boneless beef short ribs; 1 cup jasmine rice; 1 tbsp sesame seeds; Rice, Long Grain, 1 cup