Press hash-brown potatoes between paper towels to remove excess moisture. Press into bottom and up sides of ungreased 9-inch pie plate. Drizzle with the melted margarine. Bake at 425 degrees for 25 minutes.
Combine the ham, cheese and green peppers; spoon over the crust. In a small bowl, beat eggs, add milk, salt and pepper and mix. Pour over all.
Reduce heat to 350 degrees, bake 25 to 30 minutes or until a knife inserted near center comes out clean. Allow to set 10 minutes before cutting. Serves 6.