Spray a 9 inch (23 cm) pie plate with vegetable spray. Place 4 tortillas in pie plate, overlapping and extending 1/2 inch (1 cm) beyond the rim. Place remaining tortilla in the centre. Layer with ham and cheese. Combine eggs, cream-style corn and chili powder; slowly pour over ham mixture. Sprinkle with peppers. Bake at 350 F (180C) from 25 to 30 minutes or until the centre is set. Sprinkle with cilantro. Let stand for 5 to 10 minutes before serving.