01 -
Preheat the oven to 350°F. Grease a 9x13-inch baking dish with butter or oil.
02 -
Cook the sausage in a large skillet over medium-high heat for 7-9 minutes, breaking it into crumbles, until browned and cooked through. Transfer to a paper towel-lined plate and drain excess fat.
03 -
Add the onion and bell pepper to the same skillet. Cook for 3-4 minutes, stirring often, until slightly softened. Remove from the heat.
04 -
In a large bowl, whisk the eggs, milk, salt, pepper, garlic powder, and smoked paprika until fully combined.
05 -
Spread the thawed, squeezed-dry hash browns evenly in the baking dish. Scatter the sausage, cooked vegetables, and 1 1/2 cups cheddar over the potatoes. Pour the egg mixture evenly over the top.
06 -
Sprinkle with the remaining 1/2 cup cheddar. Bake uncovered for 45-55 minutes, until the edges are golden and the center is set.
07 -
Let the casserole rest for 10 minutes. Top with green onions, then slice and serve warm.