Sausage and Egg Breakfast Casserole (No Bread)
This no bread sausage and egg breakfast casserole is one of my favorite recipes to make when I need a breakfast that's hearty, dependable, and easy to prepare ahead of time. It's simple and satisfying and has the perfect combination of fluffy eggs, savory breakfast sausage, to create that rich, comforting flavor- without relying on bread or starchy fillers.
Just like my bacon egg and cheese breakfast pockets, this one is on repeat in my household!
The best part? The casserole stays light and tender because there's no bread involved. It reheats beautifully, and most importantly, never turns soggy, which makes it the perfect solution for busy weekday meal prep or a relaxed weekend brunch.
I love teaming it up with a batch of my healthy almond butter banana chocolate chip muffins. The sweet-and-savory combo is always a hit with guests!
Quick Look: Sausage and Egg Breakfast Casserole
- ⏱ Prep Time: 10 minutes.
- 🔥 Cook Time: 40 minutes.
- ⏳ Total Time: 58 minutes (including 8 minutes of resting time).
- 🧉 Serving: 12 servings.
- ⚡ Calories: 290 calories per serving.
- 🍂 Flavor Profile: Cheesy, hearty and wholesome.
- 👌 Difficulty: Easy, perfect for meal prep.
SUMMARIZE & SAVE THIS CONTENT ON
Jump to:
- Quick Look: Sausage and Egg Breakfast Casserole
- Why You'll Love This No Bread Breakfast Casserole
- Recipe Ingredients
- Variations and Substitutions
- How to Make Sausage and Egg Breakfast Casserole (Step-by-Step)
- Pro Tip
- Recipe Tips & Tricks
- Serving Ideas & Suggestions
- Recipe FAQs
- More Casserole Recipes
- No Bread Sausage and Egg Breakfast Casserole
Why You'll Love This No Bread Breakfast Casserole
- It's filling and satisfying without bread or potatoes weighing it down. The eggs stay light and fluffy, and every bite is packed with savory sausage flavor.
- You can prep this in advance- just like my strawberry banana parfait. All you need to do is bake it once, and enjoy easy, re-heatable portions throughout the week. It's a huge time-saver for those busy weekday mornings.
- It's a great 'fridge-clearing' meal. I often swap in different cheeses, toss in some garden vegetables, or adjust the seasoning based on what I have on hand.
Recipe Ingredients
- Eggs: They add structure to the casserole. I used large eggs to ensure the texture is consistent and the bake is even.
- Breakfast sausage: I used chicken sausage for a savory, high-protein option that isn't too heavy.
- Veggies: To bulk up the casserole. I used garlic and onion for the flavor and some spinach and bell pepper to add color and texture.
- Shredded cheese: Cheddar works best to get that classic comfort food flavor, but Colby Jack or Mozzarella also melt beautifully and help bind the casserole together.
- Whole milk: The secret to a tender, custard-like texture. You can also use half-and-half, which makes it richer (perfect for brunch!).
- Seasonings: Since the sausage is already seasoned, you'll just need some paprika, salt and pepper. Sometimes, I like to add mixed herbs like rosemary and parsley too- just like I did when I make my skillet Parmesan breakfast potatoes.
- Oil: To sauté the veggies and to coat the baking dish. You can also use butter or cooking spray if you want to.
See the recipe card below for exact quantities.
Variations and Substitutions
- Cheese swap: Use high-quality, freshly shredded cheddar or Monterey Jack cheese. If you're sensitive to dairy, use dairy-free shredded cheese or omit it entirely.
- Milk swap: Don't use dairy? Choose unsweetened almond milk or any other plant-based milk of your choice.
- Meat swap: I used chicken breakfast sausage here, but you can also use turkey sausage or classic pork sausage. Cooked bacon or diced ham can also be wonderful additions and can lend a nice, smoky flavor to the casserole.
- Vegetarian: To make a vegetarian breakfast casserole, skip the meat and double up on the mushrooms or add black beans for a different protein source. I used beans for my one pan Huevos Rancheros and it turned out SO good. You can also add veggies like zucchini and broccoli to bulk it up.
How to Make Sausage and Egg Breakfast Casserole (Step-by-Step)
- Start by chopping up your onion, bell pepper and breakfast sausages into small chunks. Also, preheat your oven to 350°F (175°C).
- In a large skillet over medium heat, cook the chicken breakfast sausage until it's browned and crumbled.
- In the same skillet, sauté the diced onion and bell pepper until softened and translucent. Season with paprika, black pepper and half the salt, then sear for about 3 minutes.
- Add the minced garlic and fresh spinach to the skillet and sear for about 30 seconds. Add half-and-half and cook for about 2-3 minutes.
- In a large mixing bowl, whisk together the eggs and remaining salt. Whisk until the mixture is smooth and slightly frothy-this incorporates air for a fluffier texture.
- Spread the cooked sausage evenly across the bottom of your prepared dish. Layer the sautéed vegetables with half-and-half on top, followed by the egg mixture and a generous sprinkle of shredded cheese.
7. Cover and bake for 35-40 minutes, or until a knife inserted in the center comes out clean.
8. Once out of the oven, resist the urge to slice immediately! Let the casserole rest for 5-10 minutes.
Pro Tip
If you're adding more veggies, bake the casserole for a few extra minutes or sauté the veggies first before adding them in. This will help keep the casserole from getting watery.
Recipe Tips & Tricks
- Raw vegetables release a significant amount of moisture as they bake. By sautéing the onion, bell pepper, and garlic before adding them to the eggs, you cook off that excess liquid and concentrate their savory flavor.
- Cook the sausages until they have a nice golden brown color on the outside. The caramelization is what packs in a lot of flavor. I realized this when I made my one pot sausage casserole.
- Avoid adding piping-hot sausage or veggies directly into your raw egg mixture. Let them cool for about 5 minutes first. This prevents the eggs from 'scrambling' and ensures a smooth, even bake.
- For the best results, use half-and-half or whole milk. The fat content helps stabilize the egg proteins, keeping them creamy and tender. Low-fat or skim milk can make your sausage and egg casserole watery.
- A standard 9x13-inch baking dish is perfect for this recipe. If the dish is too small, the center won't set before the edges burn. If it's too large, the casserole will be thin and dry.
- Avoid overbaking the casserole. Get it out of the oven when the edges are golden and the center has a very slight jiggle. It will continue to firm up as it sits.
Serving Ideas & Suggestions
Enjoy a slice of this hearty sausage and egg breakfast casserole with your cup of coffee or a smoothie (try my berry beet smoothie). If you're making this for a brunch you're hosting, consider pairing it with some puff pastry strawberry strudel or a nice skillet caramel apple pull apart bread.
Recipe FAQs
This is usually caused by raw vegetables releasing moisture as they bake. To prevent this, always sauté your vegetables first and let hot ingredients cool slightly before mixing them with the eggs.
Absolutely. You can assemble the entire dish up to 24 hours in advance and keep it in the fridge until you're ready to bake. Alternatively, you can bake it ahead of time and store individual slices for a quick grab-and-go breakfast.
Transfer the leftover sausage and egg breakfast casserole into an airtight container or cover it with silicone lid. You can refrigerate this for up to 4 days.
Yes, and it actually freezes better than bread-based versions! For best results, bake it first, let it cool completely, and then, freeze individual slices (covered in foil) for up to two months.
Use gentle heat to reheat the casserole. You can do pop it in a preheated oven (covered in foil) or microwave until slightly warm.
More Casserole Recipes
If you tried this sausage and egg breakfast casserole or any other recipe on my blog, please leave a 🌟 star rating and let me know how it goes in the comments. I love hearing from you!
No Bread Sausage and Egg Breakfast Casserole
Equipment
- 9x13-inch Baking Dish (essential for ensuring the casserole bakes evenly)
- Large Skillet (used for browning the sausage and sautéing the aromatics in one pan to minimize cleanup.)
- Large Mixing Bowl (necessary for whisking the eggs until frothy to ensure a fluffy, non-soggy texture.)
- Whisk (for incorporating air into the egg base, which is your "no-bread" secret for structure)
Ingredients
- 1 lb Chicken Breakfast Sausage crumbled (pork or turkey work too)
- 12 Large eggs
- 1 cup Half-and-half (or whole milk)
- 2 cups Fresh spinach
- 2 cups Shredded cheese
- 1 Bell pepper (diced)
- 1 Onion, small (diced)
- 3 Garlic cloves (minced)
- ½ teaspoon Paprika
- ¼ teaspoon Black pepper
- ½ teaspoon Salt (adjust based on sausage saltiness)
- Parsley (optional, for garnish)
Instructions
- Preheat your oven to 350°F (175°C). Grease a 9x13-inch baking dish with butter or non-stick spray. Dice the onion, bell pepper, and chicken sausage.
- In a large skillet over medium heat, cook the sausage until browned and fully cooked. Drain any excess grease and set aside to cool slightly.
- In the same skillet, add the diced onion, bell pepper, paprika, black pepper, and half the salt. Sauté for 3-5 minutes until softened.
- Add the garlic and fresh spinach and cook for 30 seconds until fragrant. Add half-and-half and cook for about 2-3 minutes.
- In a large bowl, whisk together the eggs and the remaining salt until smooth and slightly frothy.
- Spread the cooked sausage, sautéed veggies with half-and-half evenly in the baking dish. Add the eggs and sprinkle the cheese over the top.
- Bake for 35-40 minutes until the center is set and the edges are lightly golden.
- Let the casserole rest for 10 minutes before slicing to ensure clean squares. Garnish with parsley and serve.
Notes
- Do not skip the 10-minute rest after baking! Because there is no bread to provide structure, the eggs need those few minutes to firm up so you can get clean, beautiful slices.
- To avoid rubbery or dry eggs, pull the casserole out of the oven when the center has a very slight jiggle. Residual heat will finish the cooking process as it sits.
- You can assemble this entire casserole (unbaked) the night before. Cover tightly and refrigerate. In the morning, let it sit on the counter for 15 minutes before baking. You may need to add 5 minutes to the total bake time.
- Store leftovers in an airtight container in the fridge for up to 4 days. For the best texture, reheat in the microwave at 80% power in 30-second intervals to keep the eggs tender.
- You can substitute the half-and-half with unsweetened almond or cashew milk. The casserole will still set perfectly, though it will be slightly less rich.
- Always sauté high-moisture vegetables (like mushrooms or zucchini) before adding them to the eggs to prevent the casserole from becoming watery.
Nutrition
This casserole turned out so good! Try it out!