Step 1

Preheat oven to 350 degrees. Lightly grease a 9x13 inch baking dish.

Step 2

Spread hashbrowns in an even layer in the bottom of the prepared pan.

Step 3

In a large bowl, whisk together eggs, milk, salt, onion powder, garlic powder, pepper and cayenne. Pour over hashbrowns.

Step 4

Sprinkle with half of the cheese, all of the bacon, then the remaining cheese. Cover tightly with foil.

Step 5

Bake for 1 hour, then remove foil and bake for another 5-10 minutes, or until center is set and a knife inserted in the casserole comes out clean. Let stand 5-10 minutes before serving. Garnish with chopped green onions, if desired.