1Spray 13x9-inch (3-quart) glass baking dish with cooking spray. In baking dish, layer half of the bread cubes, the broccoli, 1 cup of the cheese and the remaining bread cubes.
2In large bowl, beat eggs, milk and Alfredo sauce with wire whisk until well blended. Pour over ingredients in baking dish. Cover; refrigerate 4 hours or overnight.
3Heat oven to 350°F. Uncover baking dish. Sprinkle remaining 1 cup cheese over strata. Bake 45 to 50 minutes or until knife inserted in center comes out clean and cheese is deep golden brown. Let stand 5 minutes before serving.