Arrange 6 tortillas on bottom and up sides of 13x9 pan overlapping as necessary. Top half the meat mixture. Spoon cheese mixture over meat. Arrange remaining tortillas over cheese overlapping as necessary. Top with remaining meat mixture. Bake in preheated oven at 375* about 30 minutes. Remove and sprinkle with cheese. Let stand 10 minutes until cheese melts. Serve with additional picante sauce.