Combine all ingredients in a 3-quart casserole; toss well. Cover surface with plastic wrap; vent. Microwave at HIGH 12 minutes or until tender, stirring every 3 minutes; let cool.
Place apple mixture in a food processor; process until smooth. Return apple mixture to casserole. Cover with wax paper; microwave at HIGH 6 to 8 minutes, stirring every 3 minutes. Cover and chill.