Begin by greasing a 9x13 inch baking dish generously with butter.

Layer half of the Canadian bacon evenly at the bottom of the greased dish.

Toast and chop the English muffins into bite-sized pieces and layer half over the bacon.

Repeat the process with the remaining bacon and muffins.

Whisk together the eggs, cream, whole milk, and spices in a large mixing bowl.

Pour the egg mixture over the layered ingredients and refrigerate overnight.

Preheat your oven to 375°F (190°C) and bake covered for 35 minutes, then uncovered for an additional 10-15 minutes.

While baking, prepare the hollandaise sauce with egg yolks, cream, lemon juice, Dijon mustard, cayenne pepper, and salt in a blender.

Allow the casserole to cool, slice, and drizzle with hollandaise sauce before serving.