Hearty Sausage Spinach Mushroom Egg Bake

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This Hearty Sausage Spinach Mushroom Egg Bake is the kind of breakfast that makes everyone linger at the table just a little longer. Packed with savory sausage, tender sautéed mushrooms, vibrant spinach, and fluffy baked eggs, it delivers bold flavor and satisfying texture in every bite.

Whether you’re planning a cozy weekend brunch, prepping meals for the week, or serving a holiday morning crowd, this egg bake brings comfort and convenience together in one simple dish. It slices beautifully, reheats well, and tastes just as delicious the next day.

Why You’ll Love This Hearty Sausage Spinach Mushroom Egg Bake

• It’s protein-packed and satisfying enough to keep you full for hours.
• Perfect for meal prep and easy reheating.
• Loaded with vegetables for balanced flavor and texture.
• Simple ingredients you likely already have on hand.
• Bakes in one dish for easy cleanup.

Can I Make This Hearty Sausage Spinach Mushroom Egg Bake Ahead of Time?

Absolutely. This dish is ideal for prepping the night before. You can assemble everything, cover it tightly, and refrigerate overnight. In the morning, simply bake until set and golden on top. It’s a reliable option for busy mornings, holiday gatherings, or when hosting overnight guests.

Ingredients

• Breakfast sausage – Adds rich, savory flavor and hearty texture.
• Fresh spinach – Brings color, nutrients, and a slight earthy balance.
• Mushrooms – Provide umami depth and tender bite.
• Eggs – The base of the bake, creating structure and fluffiness.
• Shredded cheese – Melts throughout for creamy, gooey goodness.
• Milk – Helps create a soft, custard-like egg texture.
• Onion – Enhances the savory base with subtle sweetness.
• Garlic – Adds aromatic depth.
• Salt – Balances and enhances overall flavor.
• Black pepper – Adds gentle warmth.
• Olive oil or butter – Used for sautéing and preventing sticking.

How To Make the Hearty Sausage Spinach Mushroom Egg Bake

Step 1: Brown the Sausage

Cook the breakfast sausage in a skillet over medium heat until fully browned and crumbly. Transfer to a plate and set aside, draining excess grease if needed.

Step 2: Sauté the Vegetables

In the same skillet, add olive oil or butter if needed. Sauté the onion and garlic until fragrant. Add the mushrooms and cook until they release their moisture and become tender. Stir in the spinach and cook just until wilted.

Step 3: Prepare the Egg Mixture

In a large bowl, whisk together the eggs, milk, salt, and black pepper until smooth and well combined.

Step 4: Assemble the Bake

Grease a baking dish. Spread the cooked sausage evenly across the bottom, followed by the sautéed vegetables. Sprinkle shredded cheese over the top, then pour the egg mixture evenly over everything.

Step 5: Bake Until Set

Bake in a preheated oven until the center is fully set and the top is lightly golden. Allow it to rest for several minutes before slicing to help it hold its shape.

Serving the Hearty Sausage Spinach Mushroom Egg Bake (Serves 6)

This egg bake yields one generous casserole that can be sliced into six hearty portions, comfortably feeding six people. Serve it warm with fresh fruit, toast, or roasted breakfast potatoes for a complete meal. It also pairs beautifully with a simple green salad for brunch.

Storing the Hearty Sausage Spinach Mushroom Egg Bake

Store leftovers in an airtight container in the refrigerator for up to four days. Reheat individual slices in the microwave or warm larger portions in the oven until heated through.

For longer storage, wrap slices tightly and freeze for up to two months. Thaw overnight in the refrigerator before reheating. The texture remains tender and flavorful even after freezing.

Frequently Asked Questions

1. Can I use a different type of sausage?

Yes. Turkey sausage, chicken sausage, or even spicy Italian sausage work well. Just make sure it’s fully cooked before assembling the bake.

2. Can I substitute frozen spinach?

You can. Be sure to thaw it completely and squeeze out as much moisture as possible to prevent the bake from becoming watery.

3. What other vegetables can I add?

Bell peppers, diced tomatoes, zucchini, or even broccoli make excellent additions. Just sauté them first to remove excess moisture.

4. How do I know when the egg bake is done?

The center should be set and not jiggly. A knife inserted into the middle should come out clean.

5. Can I make this dairy-free?

Yes. Use a dairy-free milk alternative and your favorite plant-based cheese substitute. The texture may vary slightly but will still be delicious.

Want More Breakfast Casserole Ideas?

If you enjoyed this Hearty Sausage Spinach Mushroom Egg Bake, you might also love these comforting breakfast and brunch favorites:

• Crack Breakfast Casserole – A rich and satisfying morning bake packed with bold flavor.
https://lifewithlivia.com/crack-breakfast-casserole/

• Cottage Cheese Spinach Crustless Quiche – Light, fluffy, and perfect for meal prep.
https://lifewithlivia.com/cottage-cheese-spinach-crustless-quiche/

• Sausage Pancake Bites – A fun, handheld breakfast option.
https://lifewithlivia.com/sausage-pancake-bites/

• Hashbrown Casserole – Creamy, cheesy, and always a crowd favorite.
https://lifewithlivia.com/hashbrown-casserole/

For even more daily recipe inspiration, visit my Pinterest page here: Life With Livia
https://www.pinterest.com/dadaking0065/

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And let me know in the comments how yours turned out. Did you add extra cheese or spice it up with hot sausage?

I love hearing how you make these recipes your own. Questions are always welcome — let’s cook smarter together.

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