Skinny Breakfast Casserole with No Guilt

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Skinny breakfast casserole has the sausage, bread, and cheese, but half the calories, fat, and carbs of the traditional holiday casserole.
Skinny Breakfast Casserole
Skinny Breakfast Casserole
Skinny Breakfast Casserole

As good as holiday breakfast casseroles are, they are full of fat and carbs. I wanted to make a casserole that wasn’t so fat heavy but would have all the good flavors of the high-calorie one.  Let me show you how to make a skinny breakfast casserole.

Most breakfast casseroles call for Italian sausage made with pork. Sausage by its nature usually requires a lot of fat to give it flavor and structure. Unless you are making your own Italian sausage, that’s a lot of fat. The other ingredient is day-old typically white bread and which has a lot of carbs. How to reduce fat and make the bread healthier? What to do, what to do?

Replace the Sausage for Skinny Breakfast Casserole

The first place I looked to reduce fat was to replace the sausage.  Even homemade pork sausage where you can regulate the amount of fat is still a lot of fat. I don’t like meat substitutes as some are even fattier than the real thing – and frankly, I think they taste absolutely awful. Turkey sausage is a good substitute and the flavors could be upped so the casserole would taste close to its pork brethren.

Replace the Bread

I really feel like we’ve all been jipped. We have been led astray thinking that white was superior in every way – white sugar, white flour, white pasta, white bread, white rice, white eggs… I’m here to tell you that’s not true.  The sugar with a little of its molasses intact has much better flavor; white flour, pasta, bread, and rice have very little flavor of their own; white eggs taste exactly the way that brown eggs do except the chickens’ feathers are just different colors.  I didn’t want to use whole wheat seeded bread because I didn’t want its flavor to fight with the other ingredients. But, you know what kind of bread has great flavor and is healthier for you?  Good old sourdough!

Skinny Breakfast Casserole

Skinny Breakfast Casserole

Skinny breakfast casserole has the sausage, bread, and cheese, but half the calories, fat, and carbs of the traditional holiday casserole.
Prep Time: 30 minutes
Cook Time: 1 hour
Cooling: 10 minutes
Total Time: 1 hour 40 minutes
Servings (slide to adjust): 8
Cuisine: American
Diet: Gluten Free
Difficulty: Easy
Newsletter: 2021-01-31
Calories per serving: 356kcal


  • 1 tablespoon Olive oil
  • 1 Onion, chopped
  • 1 Bell pepper, chopped
  • 12 ounces turkey sausage
  • 1 teaspoon Fennel
  • 2 tablespoon Jalapeno peppers, canned, chopped

~~ -- For the Casserole -- ~~

  • 6 slices Sourdough bread, torn
  • ½ cup Spinach, fresh leaves
  • 6 Sun-dried tomatoes
  • 2 slices Swiss, torn
  • 2 tablespoon Parmesan, shaved

~~ -- For the Custard -- ~~

  • 6 Eggs
  • 1 cup Milk
  • 1 cup Cream
  • 1 teaspoon Sunny Paris
  • 1 teaspoon Justice
  • ½ teaspoon Worcestershire sauce
  • ½ teaspoon Salt, Kosher or pink himalyan

~~ -- For the Topping -- ~~

  • ½ cup White cheddar
  • 2 teaspoon Paprika
Ingredients necessary for the recipe step are in italic.


  • Mise en place
    Skinny breakfast casserole
  • Heat a pan and add the olive oil. Swirl it around to cover the entire pan. Add the onion and saute until translucent. Add the bell pepper and saute until slightly soft.
  • Add the sausage and fennel and cook the sausage completely, breaking it up and stirring frequently. When the sausage is cooked, add the jalapeno and saute until most of the liquid is gone. Set aside.
    Skinny Breakfast Casserole
  • Put the broken up bread in the casserole
    Skinny Breakfast Casserole
  • Put a layer of spinach, the swiss and parmesan
    Skinny Breakfast Casserole
  • Top with the sun-dried tomatoes.
    Skinny Breakfast Casserole
  • Combine the ingredients for the custard and whisk until thoroughly mixed.
    Skinny Breakfast Casserole
  • Pour the custard over the casserole, distributing it evenly.
  • Top with the cheddar and sprinkle the paprika on top.
    Skinny Breakfast Casserole
  • Put the casserole in the oven and heat the casserole to 350 F / 176 C. Bake for 1 hour then remove from the oven and let it sit to cool for about 10 minutes.
    Skinny Breakfast Casserole
  • Enjoy!
    Skinny Breakfast Casserole



Calories: 356kcalCarbohydrates: 21gProtein: 20gFat: 22gSaturated Fat: 10gPolyunsaturated Fat: 2gMonounsaturated Fat: 8gCholesterol: 250mgSodium: 968mgPotassium: 368mgFiber: 2gSugar: 5g
Got Questions? Let me know!Mention @arbpen or tag #arbpen!
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