Preheat oven to 375˚F. Add sausage to skillet on medium heat. Cook for 4 minutes, then add peppers. Cook for another 4 minutes or until sausage is browned.
Remove from heat and combine with potatoes in 9”x13” baking dish. Stir in 1 cup cheese.
Whisk together milk, spices, and eggs until uniform in color. Stir in green onions. Pour over potato-sausage mixture. Top with remaining cheese and bake for 40-50 minutes or until cheese is melted and eggs are cooked. Can be assembled the night before then baked the next day for brunch.