Preheat oven to 400F. Lightly grease pie plate 10x1 1/2". Rinse peas under cold water to separate; drain. Sprinkle peas, ham and cheese in pie plate. Beat remaining ingredients till smooth, 15 sec in blender on high speed or 1 minute with hand beater. Pour in pie plate. Bake till golden brown and knife inserted halfway bewteen centre and edge comes out clean 30 to 35 minutes. Let stand 5 minutes before cutting.
