1. Preheat oven to 450°.
2. Combine chicken and salsa in a medium bowl.
3. Spread 1/4 cup black bean dip over each tortilla. Top each evenly with chicken mixture and 2 tablespoons cheese. Stack tortillas in bottom of a 9-inch springform pan coated with cooking spray. Bake at 450° for 10 minutes or until thoroughly heated and cheese melts. Remove sides of pan. Cut pie into 4 wedges. Serve immediately.