Preheat oven to 375° F. Cook and drain sausage, breaking up lumps.
Separate rolls and fan out to cover bottom of ungreased 12-inch pizza pan. Press over bottom; seal any cracks. Sprinkle with sausage, potatoes, and cheese.
Beat eggs and spices and pour over sausage mixture. Sprinkle with Parmesan. Bake 25 to 30 minutes.
Servings: 4 to 6