01 -
Place the English muffin cubes on a baking tray and let them sit uncovered overnight to dry. Alternatively, toast them under the broiler to lightly crisp them.
02 -
Coat a 12x8-inch or 13x9-inch baking dish with nonstick spray. Arrange half of the muffin cubes evenly on the bottom, then layer with half the diced ham and half the shredded cheese. Repeat these layers, ending with a cheese layer.
03 -
In a mixing bowl, whisk together the half-and-half, eggs, salt, pepper, mustard powder, garlic, onion powder, thyme, and nutmeg until well-blended. Pour the mixture evenly over the layers in the dish.
04 -
Press the muffin cubes lightly into the custard mixture to ensure even absorption. Cover the dish with plastic wrap and refrigerate overnight.
05 -
Preheat the oven to 350°F (175°C). Remove the dish from the fridge 15 minutes before baking. Take off the plastic wrap, dot the top with butter, and sprinkle paprika. Cover with foil and bake for 30 minutes, then bake uncovered for another 15-20 minutes until golden and cooked through.
06 -
While the casserole bakes, prepare the hollandaise sauce using either a packet mix or the Blender Hollandaise recipe. Keep warm for serving.
07 -
Allow the casserole to rest for 5 minutes after baking. Drizzle with prepared hollandaise sauce just before serving and sprinkle with fresh chives or parsley. Serve with extra sauce on the side, if desired.