Heat oven to 350°F. In small bowl, combine all ingredients except spareribs; mix well. Set aside.
Line 15x10x1-inch baking pan with foil; place wire rack in pan. Place ribs on wire rack, meaty side up; brush with sauce.
Bake at 350°F. for 1 1/2 to 2 hours or until meat is tender and starts to pull away from bones, brushing frequently with sauce.
To serve, cut ribs apart carefully with knife and arrange on platter.