01 -
Heat the oven to 350°F (175°C) to prepare for baking.
02 -
Spread frozen shredded hash browns evenly in a 9x13-inch baking dish. Add a layer of grated Monterey Jack cheese, followed by diced ham and chopped green onions.
03 -
In a bowl, whisk together beaten eggs, evaporated milk, garlic salt, and ground black pepper until fully combined. Pour the mixture evenly over the layered ingredients.
04 -
Bake uncovered immediately for about 1 hour 15 minutes until center is firm. If prepared ahead, cover and refrigerate overnight, then bake uncovered for about 1 hour 30 minutes until fully set.