HEAT oven to 350°F.
COOK meat with seasoning mix as directed on package.
PLACE 4 tortillas on bottom of 9-inch pie plate sprayed with cooking spray. Cover with layers of half each of the beans, meat mixture and cheese. Repeat layers. Top with remaining tortillas.
BAKE 30 min. or until meat mixture is heated through and cheese is melted. Cut into 12 wedges to serve.