Cinnamon Rolls (Old-Fashioned) and Egg-Cheese-Sausage Casserole for Brunch

My children (and the rest of my family) know that if they come for Christmas, and only at Christmas, they'll get old-fashioned cinnamon rolls baked fresh for Christmas breakfast.  Not the big sprawling gooey caramel-laden gobsters they sell at the mall; my rolls are white, light, and purely cinnamon in flavor.  A tiny drizzle of  light,  powdered sugar-milk glaze is all the top