4 pounds boneless beef short ribs, cut into 3-inch long pieces |
kosher salt and freshly ground black pepper |
2/3 cup light brown sugar |
1 teaspoon hungarian paprika |
1/2 teaspoon garlic powder |
1 tablespoon white vinegar |
1/2 teaspoon dried ground thyme |
2/3 cup ketchup |
1 tablespoon yellow mustard |
1 tablespoon worcestershire sauce |