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Easy Make-Ahead Eggs Benedict Casserole with Blender Hollandaise

A close-up of a slice of eggs benedict casserole topped generously with rich, creamy hollandaise sauce and parsley.

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Prepare this simple Eggs Benedict Casserole the night before for an easy, crowd-pleasing brunch bake featuring classic flavors.

Ingredients

Scale
  • 12 slices day-old white bread or English muffins, cubed
  • 1 pound Canadian bacon or ham, chopped
  • 1 cup shredded Swiss cheese
  • 6 large eggs
  • 2 cups whole milk
  • 1 teaspoon Dijon mustard
  • 1/4 teaspoon salt
  • 1/4 teaspoon black pepper
  • For Hollandaise: 3 large egg yolks
  • 1/2 cup (1 stick) unsalted butter, melted
  • 1 tablespoon fresh lemon juice
  • Pinch of salt

Instructions

  1. Grease a 9×13 inch baking dish. Arrange half of the cubed bread in the bottom of the dish.
  2. Sprinkle half of the Canadian bacon and half of the Swiss cheese over the bread layer. Repeat with the remaining bread, bacon, and cheese.
  3. In a large bowl, whisk together the eggs, milk, Dijon mustard, salt, and pepper until combined.
  4. Pour the egg mixture evenly over the bread and cheese layers in the baking dish. Press down gently to submerge the bread.
  5. Cover the dish tightly with plastic wrap. Refrigerate for at least 4 hours, or preferably overnight.
  6. When ready to bake, preheat your oven to 350 degrees F (175 degrees C). Remove the plastic wrap.
  7. Bake covered with foil for 30 minutes. Remove the foil and bake for another 15 to 20 minutes, or until the casserole is set and lightly golden brown.
  8. While the casserole bakes, make the Hollandaise: Place egg yolks, lemon juice, and a pinch of salt in a blender. Blend on low speed.
  9. Slowly drizzle the hot, melted butter into the blender while the blender runs on medium speed until the sauce is thick and emulsified.
  10. Cut the casserole into squares. Serve immediately with a spoonful of fresh Blender Hollandaise over each serving.

Notes

  • Using day-old bread helps the casserole absorb the custard mixture better without becoming soggy.
  • If you do not have a blender, you can make the Hollandaise using a whisk and a double boiler method.
  • You can substitute regular ham for Canadian bacon if preferred.

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