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Hearty Breakfast Casserole with Cream of Mushroom Soup

A square slice of baked breakfast casserole with cream of mushroom, topped with melted cheese and mushrooms.
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A simple, make-ahead breakfast casserole featuring sausage, eggs, bread, and cream of mushroom soup for a moist, savory brunch centerpiece.

Ingredients

Scale
  • 1 pound breakfast sausage, cooked and drained
  • 8 slices day-old bread, cubed
  • 1 cup shredded cheddar cheese
  • 1 can (10.5 ounces) condensed cream of mushroom soup
  • 1 cup milk
  • 6 large eggs
  • 1 teaspoon dry mustard powder
  • 1/2 teaspoon black pepper

Instructions

  1. Grease a 9×13 inch baking dish.
  2. Arrange the cubed bread evenly in the bottom of the prepared dish.
  3. Sprinkle the cooked sausage and shredded cheddar cheese over the bread layer.
  4. In a large bowl, whisk together the cream of mushroom soup, milk, eggs, dry mustard powder, and black pepper until well combined. The soup acts as a binder and adds moisture.
  5. Pour the egg and soup mixture evenly over the bread and sausage layers. Gently press down on the bread to ensure it soaks up the liquid.
  6. Cover the dish tightly with plastic wrap or foil. Refrigerate for at least 4 hours, or preferably overnight for best results.
  7. Preheat your oven to 350 degrees Fahrenheit. Remove the casserole from the refrigerator 30 minutes before baking.
  8. Bake uncovered for 45 to 55 minutes, or until the casserole is set in the center and lightly golden brown on top.
  9. Let the casserole rest for 10 minutes before slicing and serving.

Notes

  • For a make ahead brunch strata, assemble the entire casserole the night before and refrigerate. This allows the bread to fully absorb the liquid.
  • You can substitute bacon or ham for the sausage. If using bacon, cook it until crisp first.
  • To reheat leftovers, cover with foil and bake at 350 degrees Fahrenheit for 20 minutes, then uncover and bake for 5-10 more minutes until heated through.
  • The cream of mushroom soup provides moisture and a savory, umami base flavor that complements the eggs and cheese.

Nutrition

Find it online: https://juliameal.com/breakfast-casserole-with-cream-of-mushroom/