Overnight Ham and Cheese Hash Brown Breakfast Casserole - hash browns, cheese, ham, green onions, eggs, evaporated milk - mix together and refrigerate overnight for a quick breakfast. Great for overnight guest and the upcoming holidays!
Lightly spray a 9x13-inch pan with cooking spray. Set aside.
Mix together hash browns, ham, green onions and cheese. Spread into prepared pan.
Whisk together eggs, evaporated milk, pepper, and salt. Pour the egg mixture over the potato mixture in pan. Cover and refrigerate overnight. (You can also bake immediately)
Preheat oven to 350ºF. Bake casserole for 55 to 60 minutes, until set.