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breakfast casserole with sausage, spinach and cheddar cheese

Easy Sausage, Spinach and Cheddar Breakfast Casserole

  • Author: amycaseycooks
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Total Time: 1 hour
  • Yield: 8 1x


Easy Sausage, Spinach and Cheddar Breakfast Casserole is a cozy and perfect dish to feed a hungry breakfast crowd.


  • Butter for greasing the baking dish
  • 12 ounces breakfast sausage, casing removed
  • 8 ounces baby spinach
  • 10 large eggs
  • 1/2 cup whole milk
  • 1 teaspoon Dijon mustard
  • 1/2 teaspoon baking powder
  • 1 teaspoon kosher salt
  • 1/2 teaspoon freshly ground pepper
  • 2 cups grated sharp cheddar cheese


  1. Preheat oven to 375 degrees. Grease a 2 quart baking dish with butter. Set aside.
  2. In a large saute pan over medium heat, add the breakfast sausage. Saute the sausage and break it up into little pieces as it cooks. Continue cooking for 8 to 10 minutes. The sausage should be browned and crispy in spots and cooked through. Remove from pan to a bowl and set aside.
  3. To the same saute pan over medium heat, add the baby spinach. Stir and cook the spinach until it just cooked and wilted. Remove the spinach from the pan and add it to the bowl with the sausage. Set aside.
  4. In a large bowl, add the eggs and whisk until combined. Whisk in the milk, mustard, baking powder, salt and pepper until thoroughly combined.
  5. Stir in the cooked sausage, spinach and cheddar cheese.
  6. Pour the mixture into the prepared baking dish.
  7. Bake for 25 to 30 minutes or until the center is just set.


Adapt the recipe to include your favorite breakfast casserole ingredients. Some delicious options include cooked and crumbled bacon, diced ham, Swiss, pepper jack or goat cheese, steamed broccoli or asparagus, sauteed mushrooms or finely diced tomatoes (remove the seeds).

  • Category: Breakfast
  • Method: Stove top and oven
  • Cuisine: American


  • Serving Size: 1/8 of dish
  • Calories: 364
  • Sugar: 1.6 g
  • Sodium: 908 mg
  • Fat: 28.3 g
  • Saturated Fat: 12.1 g
  • Unsaturated Fat: 0 g
  • Trans Fat: 0 g
  • Carbohydrates: 2.8 g
  • Fiber: 0.7 g
  • Protein: 24.5 g
  • Cholesterol: 299 mg

Keywords: breakfast casserole with sausage, quiche, egg casserole

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