Instant Pot Glazed and Grilled Ribs

Name: Instant Pot Glazed and Grilled Ribs
Ingredients: 2 Tbsp. Chinese hot mustard powder; 1 Tbsp. garlic powder; 1 Tbsp. sugar; 4 tsp. kosher salt; 4 lb. St. Louis–style pork spareribs, cut into 3- or 4-rib sections; ¼ cup mirin (sweet Japanese rice wine); Vegetable oil (for grill); 2 Tbsp. distilled white vinegar; 2 Tbsp. Sriracha; 1 Tbsp. fish sauce; 2 3 pieces ginger, scrubbed, bruised with the dull side of a chef’s knife, sliced into ½-thick rounds; Kosher salt (optional); An Instant Pot, other electric multi-cooker, or standard stovetop pressure cooker