This Overnight Eggs Benedict Casserole with Easy Blender Hollandaise is a delightful make-ahead breakfast perfect for holidays or brunch gatherings. Layers of toasted English muffins, savory Canadian bacon, and a seasoned egg mixture are baked to perfection, then topped with a smooth, creamy hollandaise sauce made effortlessly in a blender. Combining classic Eggs Benedict flavors in a convenient casserole, this recipe allows you to prepare the night before and enjoy fresh, delicious breakfast with minimal morning effort.