Sausage Mushroom Breakfast Casserole Recipe

This 5-star breakfast casserole is a game-changer! The creamy mushroom soup and savory sausage create a mouthwatering sausage gravy-like flavor that will have everyone asking for seconds. Prepare this the night before for a stress-free morning and a truly impressive brunch or breakfast. Get ready for rave reviews!

Prep Time 30 mins
Cook Time 90 mins
Calories 522.8 kcal
Protein 56g
Rating Be the first
Sausage Mushroom Breakfast Casserole 42

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Forktionary editorial kitchen team

The Forktionary Kitchen Team

Adapted from Food.com, then tested & standardized by Forktionary.

Ingredients for Sausage Mushroom Breakfast Casserole

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How to Make Sausage Mushroom Breakfast Casserole

  1. Preheat oven to 350°F (175°C).
  2. In a large skillet, brown 1 lb. Italian sausage (removed from casings) over medium heat. Drain off excess grease.
  3. Add 8 oz. sliced mushrooms to the skillet and cook until softened, about 5-7 minutes.
  4. In a 9x13 inch baking dish, layer 6 cups torn crusty bread.
  5. Evenly distribute the cooked sausage and mushrooms over the bread.
  6. Sprinkle 2 cups shredded cheddar cheese over the sausage and mushrooms.
  7. In a medium bowl, whisk together 2 cups milk, 6 large eggs, and 1 tbsp Dijon mustard.
  8. Pour the egg mixture evenly over the cheese.
  9. In a separate bowl, combine one (10.75 oz) can cream of mushroom soup and 1/2 cup milk. Pour this mixture evenly over the casserole.
  10. Cover the baking dish with foil and refrigerate overnight.
  11. The next morning, remove the casserole from the refrigerator 30 minutes before baking.
  12. Bake uncovered for 60-75 minutes, or until golden brown and heated through. Let stand for 10 minutes before serving.

Nutrition Information (Approximate per serving)

Sodium

47 g

Sugar

9g

Fat

79g

Carbs

6g

Frequently Asked Questions

How long does it take to make Sausage Mushroom Breakfast Casserole?

Sausage Mushroom Breakfast Casserole takes about 120 minutes from start to finish — roughly 30 minutes to prepare and 90 minutes to cook.

How many calories are in Sausage Mushroom Breakfast Casserole?

Sausage Mushroom Breakfast Casserole has approximately 522.8 calories per serving, with about 56 g protein, 6 g carbohydrates and 55 g fat.

What ingredients do I need for Sausage Mushroom Breakfast Casserole?

The key ingredients for Sausage Mushroom Breakfast Casserole are Breakfast Sausage, Milk, Dry Mustard, Eggs, White Bread, Sliced Mushrooms. See the full list with measurements above.

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