Preheat oven to 350oF. Coat a 2 quart square baking dish with nonstick cooking spray. Arrange potatoes evenly in the bottom of the dish. Sprinkle with cheese, ham, red pepper, green pepper and onion.
In a bowl combine eggs, milk and pepper. Pour egg mixture over potato mixture in dish. Bake uncovered, for 40 - 45 minutes. Let stand 5 minutes before serving.
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