01 -
Grease a 9×13 inch (23×33 cm) baking dish thoroughly to prevent sticking.
02 -
In a large bowl, whisk together milk, eggs, chopped green onions, onion powder, and salt until well combined.
03 -
Distribute half of the diced turkey bacon in the prepared baking dish. Add all of the diced English muffins in an even layer, then top with the remaining turkey bacon. Pour the egg mixture evenly over all ingredients.
04 -
Cover the baking dish with plastic wrap or aluminum foil and refrigerate overnight (at least 8 hours) to allow the flavors to meld and the muffins to absorb the egg mixture.
05 -
Preheat oven to 375°F (190°C). Bake the casserole covered for 30 minutes, then uncover and bake for an additional 15 minutes until the top is golden brown and the center is set.
06 -
While the casserole is baking, prepare the Hollandaise sauce. In a small saucepan, combine milk, Hollandaise sauce mix, and butter. Bring to a simmer over medium heat, whisking constantly until the sauce thickens to desired consistency.
07 -
Cut the casserole into portions, drizzle each serving with the warm Hollandaise sauce, and sprinkle with paprika if desired. Serve immediately while hot.