Start your morning off right with a sausage, egg and veggie breakfast casserole. Then, easily add your own personal touches and you’ll have everyone asking for seconds.

Cast iron breakfast casserole with potatoes, eggs, sausage and vegetables.

Often overlooked but not forgotten is the cast iron breakfast casserole. It’s an incredibly filling recipe, quite easy to throw together and is perfect for any meal.

If you don’t have all the ingredients for this recipe, don’t worry, it’s easily adaptable to whatever ingredients you have on hand.

Breakfast casserole vs breakfast quiche

A breakfast casserole is primarily an egg casserole bake with sausage or bacon as the base. Most times, vegetables such as peppers, onions and spinach are added in for flavor, nutrients, and texture.

Now that you know what a breakfast casserole is, the main difference between it and quiche is that quiche is made with a flaky crust with a base of eggs, milk and cream.

All other ingredients are add-ins, generally consisting of meat, chives and cheese.

Cast Iron Breakfast Casserole Recipe

Sausage, egg and cheese breakfast casserole in a cast iron skillet on a wooden table with wooden serving utensils.

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Supplies

Ingredients

  • Eggs
  • Milk
  • Ground sausage
  • Red potatoes
  • Red bell pepper
  • Onion
  • Cheddar cheese
  • Salt and pepper

How to make a breakfast casserole

Bread free breakfast casserole in a 12

Begin by chopping and deseeding one red bell pepper and dicing one onion. Add both of those in along with the ground sausage to the skillet and saute.

While that is cooking, shred the potatoes using a box grater. Then, in a small mixing bowl, whisk eggs and milk together.

As soon as the sausage and onions are about cooked through, remove from heat, mix in the potatoes and pour the eggs over the top.

Bake at 375°F for 30 minutes, then top with cheese and continue baking an additional 10 minutes or until cheese is melted and eggs are set.

Let sit for 10 minutes before cutting into it and serving with fresh honey butter biscuits.

For larger gatherings, serve this savory breakfast casserole with either some banana nut bread or homemade french toast.

Don’t want to heat the house up with the oven? Try this stovetop breakfast hash or English muffin omelets.

How to store or freeze breakfast casserole

Breakfast casserole will keep in the fridge covered for up to 4 days. To freeze, transfer to an airtight container and place in the freezer where it will last 2-3 months.

Reheating cast iron egg bake casserole

Cover loosely with aluminum foil and bake at 350 for 10 minutes from thawed, or if frozen, 30 minutes.

Favorite Substitutions

Meat

  • Sausage links, sliced
  • Bacon
  • Ham
  • Ground turkey

Vegetables

  • Sweet Potatoes
  • Mushrooms
  • Spinach
  • Squash

Cheeses

  • Pepper Jack
  • Mozzarella
  • Ricotta
  • Gouda

I hope you enjoy this simple breakfast casserole. And if you are looking for more great breakfast inspirations, check out some of these popular breakfast recipes below.

Cast iron breakfast casserole with potatoes, eggs, sausage and vegetables.

Cast Iron Breakfast Casserole

Laura Ascher
Enjoy this skillet-baked breakfast casserole with savory sausage, potatoes, eggs and cheese.
4.65 from 14 votes
Prep Time 10 minutes
Cook Time 40 minutes
Additional Time 10 minutes
Total Time 1 hour
Course Breakfast
Cuisine American
Servings 6
Calories 535 kcal

Ingredients
  

  • 8 eggs
  • 1 lb of ground sausage
  • ¼ cup of milk
  • 1 red bell pepper chopped and deseeded
  • 1 onion diced
  • 2-3 red potatoes shredded
  • cup of shredded white cheddar cheese
  • 1 tsp of salt
  • ½ tsp of pepper

Instructions
 

  • Saute peppers and onions with the sausage in the cast iron skillet over medium heat.
  • Shred 2-3 red potatoes using a cheese grater. Approximately 1 cup.
  • Whisk the eggs, milk salt and pepper in a small mixing bowl.
  • Stir potatoes in with the sausage and veggies, then pour the eggs over the top.
  • Bake @ 375°F for 30 minutes; after that, top with cheese and continue baking an additional 10 minutes or until cheese is melted and eggs are set up.
  • Let rest for 10 minutes before cutting into it.

Video

Nutrition

Serving: 1ozCalories: 535kcalCarbohydrates: 34gProtein: 25gFat: 33gSaturated Fat: 12gPolyunsaturated Fat: 17gCholesterol: 308mgSodium: 1220mgFiber: 3gSugar: 5g
Tried this recipe?Mention @castironskilletcooking on Instagram
This website provides approximate nutrition information based on third party calculations and is only an estimate. Each recipe and nutritional value will vary depending on the brands, measuring methods and portion sizes per household. We recommend running the ingredients through whichever online nutritional calculator you prefer.

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4.65 from 14 votes (14 ratings without comment)

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