This is great for a Mother's Day morning breakfast because you can throw it together the night before. I make two or three pans for big brunch parties.
You can vary the fillings – add sausage or bacon, leftover vegetables and feel free to substitute any good melting cheese, such as Havarti, sharp cheddar.
To weigh down the assembled strata, Cooks Illustrated suggests using two 1-pound boxes of brown or powdered sugar, laid side by side over the plastic-covered surface (A gallon-sized zipper-lock bag filled with about 2 pounds of sugar or rice also works.).