Western Egg Casserole

I found this on an internet site around Christmas. I can't remeber which one though. It's an overnight casserole.

• Ready In: 2 hrs
• Serves: 6-8

Ingredients

• 1  lb  diced baked ham
• 1  tablespoon  oil
• 1  medium green pepper, diced
• 1  medium onion, diced
• 1  cup  sliced mushrooms
• 4  eggs
• 2  cups milk
• 1  loaf  whole wheat bread, 12 - 18 slices
• 6  ounces  shredded cheddar cheese
•  salt
•  pepper

Directions

1. Cook ham in oil until it sizzles. Add pepper, onion and mushrooms. Season to taste. Saute until tender.
2. Beat eggs and milk in a medium bowl.
3. Spray 13 X 9" casserole with Pam. Line with 1/3 bread; sprinkle with 1/2 ham mixture and 1/2 cup cheese. Repeat. Top with bread.
4. Pour egg mixture over layers and top with cheese.
5. Refrigerate 1-24 hours.
6. Bake uncovered at 350 for 1 hour or until set.