Name: Crustless Bacon, Mushroom, and Cheese Quiche Bake Recipe
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Cuisine: American
Ingredients: 1 pound thick-sliced bacon; 2 tablespoons butter; 16 large eggs; ½ cup sour cream (light or regular, plus additional for serving); 1 heaping cup shredded sharp cheddar cheese; 1 heaping cup shredded Gruyère cheese; 1 ½ cups chopped white button mushrooms; 5 green onions (thinly sliced, divided); 2 tablespoons chopped fresh chives (optional); 1 teaspoon all-purpose seasoning (like Lawry’s Seasoned Salt); Hot sauce (for serving)

Print Recipe·4 from 13 reviews

If you’re craving a hearty, flavorful dish that guarantees smiles all around the table, the Crustless Bacon, Mushroom, and Cheese Quiche Bake Recipe is your new best friend. This comforting, crust-free quiche is packed with crispy bacon, earthy mushrooms, sharp cheddar, and melty Gruyère cheese, all bound together by a creamy egg custard. Perfect for breakfast, brunch, or even a satisfying dinner, this quiche bake offers a delightful harmony of textures and tastes without the fuss of making a crust. Trust me, once you try this recipe, it’ll become a staple in your kitchen rotation.

Ingredients You’ll Need

The image shows several white bowls and a white oval plate on a white marbled surface. The oval plate on the left holds many slices of raw bacon with pink and white fat layers. Above the plate is a small white bowl filled with chopped green onions, bright green and finely chopped. To the right, a large clear glass bowl contains many raw eggs with bright yellow yolks surrounded by the clear whites. Below this are three smaller white bowls: one with smooth white sour cream, one with two small pale yellow butter squares on a white dish, and one with light brown seasoning powder. To the right of the large egg bowl, a white bowl holds chopped mushrooms with a light brown and cream color, and below it, another white bowl is filled with shredded cheese in two colors—orange cheddar on one side and pale yellow mozzarella on the other. The whole setup presents fresh ingredients ready for cooking, photo taken with an iphone --ar 4:5 --v 7

Gathering simple ingredients that shine with flavor is the key to making this Crustless Bacon, Mushroom, and Cheese Quiche Bake Recipe a total crowd-pleaser. Each component plays an essential role—from the smoky bacon adding richness to the sautéed mushrooms bringing earthy depth, and the cheese layers providing creamy indulgence, creating a dish that’s as balanced as it is delicious.

Bacon (1 pound thick-sliced): Choose thick-cut bacon for crispy, meaty bites that stand up well in the bake.
Butter (2 tablespoons): Adds richness to the sautéed mushrooms for a luscious base.
White button mushrooms (1 ½ cups chopped): Their mild flavor complements the savory bacon and cheese perfectly.
Green onions (5, thinly sliced and divided): Sprinkle freshness and a slight bite, elevating the dish’s flavor profile.
Large eggs (16): The backbone of this quiche, creating a creamy, fluffy texture without the crust.
All-purpose seasoning (1 teaspoon): Using something like Lawry’s ensures your custard is perfectly seasoned.
Sour cream (½ cup, plus extra for serving): Adds tang and moisture, making the custard silky smooth.
Sharp cheddar cheese (1 heaping cup shredded): Brings sharpness and depth of flavor.
Gruyère cheese (1 heaping cup shredded): Melts beautifully for that signature quiche creaminess and nuttiness.
Fresh chives (2 tablespoons chopped, optional): A vibrant, mild oniony finish if you want to add an extra pop of color and taste.
Hot sauce (optional for serving): For those who love a little heat to balance the richness.

How to Make Crustless Bacon, Mushroom, and Cheese Quiche Bake Recipe

Step 1: Roast the Bacon to Perfection

Start by preheating your oven to 400 degrees Fahrenheit. Place thick-sliced bacon on a foil-lined rimmed baking sheet and roast it for about 15 minutes until beautifully crisp. This method ensures even cooking and saves you from standing over a hot skillet. Once done, let the bacon drain on paper towels to keep it crispy but not greasy, which will add amazing texture to your quiche bake.

Step 2: Sauté Mushrooms and Green Onions

Lower your oven temperature to 350 degrees now and turn your attention to the skillet. Melt butter over medium-low heat and sauté the chopped mushrooms until tender and lightly browned, which intensifies their rich umami flavor. Add half of the sliced green onions into the mix and cook for a couple more minutes. This aromatic start lays the foundation for the layers of flavor in the bake.

Step 3: Combine Ingredients in the Skillet

Off the heat, crumble the roasted bacon into the mushroom mixture and stir everything together. This combination of smoky, savory, and fresh ingredients will be the delicious filling that you’ll spread on top of your creamy egg base.

Step 4: Prepare the Egg Mixture

Grease a 9 x 13-inch baking dish with nonstick spray. In a large bowl, crack 16 eggs and whisk them lightly—don’t worry about beating them too much as you want a tender custard, not a tough omelet. Add sour cream and all-purpose seasoning, then whisk again until mostly combined. The sour cream adds an irresistible creaminess that makes this crustless quiche truly indulgent.

Step 5: Assemble and Chill (Optional)

Pour the egg mixture into the prepared baking dish and spoon the mushroom and bacon filling evenly over the top. If you want to make your life easier, cover the dish tightly with plastic wrap and refrigerate overnight to let the flavors meld beautifully. Just bring it to room temperature before baking if chilled.

Step 6: Add Cheese and Bake

Sprinkle both sharp cheddar and Gruyère cheeses evenly over the surface. Bake uncovered at 350 degrees Fahrenheit for 25 to 30 minutes, or add 5 to 10 minutes if the dish was chilled. You’ll know it’s ready when the center is set and the top is golden brown and inviting. Let it rest for 5 minutes to finish setting before slicing.

Step 7: Garnish and Serve

Top your Crustless Bacon, Mushroom, and Cheese Quiche Bake Recipe with the remaining green onions and fresh chives for a burst of color and fresh flavor. This final touch makes the dish look as delightful as it tastes.

How to Serve Crustless Bacon, Mushroom, and Cheese Quiche Bake Recipe

A golden-brown baked dish in a white oval ceramic baking dish, with a puffy and slightly crispy top layer speckled with melted cheddar cheese that is deep orange and light yellow in color. Small bits of cooked bacon or similar meat are visible within the top layer, adding dark reddish-brown spots. Green chopped chives are sprinkled evenly across the surface, adding a bright pop of color. The dish rests on a white marbled textured surface, next to a white bowl of green grapes and small bowls of chopped chives, with a navy blue cloth and utensils nearby. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Sprinkling chopped fresh chives or green onions right before serving adds a fresh bite and beautiful green contrast. A dollop of sour cream on the side can bring a lovely creamy tang that balances the rich cheese and bacon.

Side Dishes

This quiche bake is wonderfully versatile but pairs exceptionally well with a crisp green salad or roasted cherry tomatoes for a light, bright contrast. Consider serving up some fresh fruit or lightly sautéed greens for added color and nutrients.

Creative Ways to Present

Cut into squares for a casual brunch buffet or slice into wedges for a charming family-style meal. You can also serve warm or at room temperature, making it perfect for potlucks or picnics. For an elegant twist, garnish each slice with a sprig of fresh herbs or a drizzle of aged balsamic vinegar reduction.

Make Ahead and Storage

Storing Leftovers

Leftover quiche bake keeps beautifully in the refrigerator for up to 4 days. Be sure to cover it tightly with foil or plastic wrap to maintain moisture and prevent the eggs from drying out. It’s perfect for quick breakfasts or easy reheated lunches throughout the week.

Freezing

You can freeze this quiche in airtight containers or freezer-safe bags for up to 2 months. For best texture, slice before freezing and store portions individually so you can defrost exactly what you need.

Reheating

To reheat, pop slices in a 350-degree oven for about 10-15 minutes until warmed through and the cheese melts again delightfully. Alternatively, a quick zap in the microwave works in a pinch but may slightly diminish the crispy edges.

FAQs

Can I substitute the cheeses in this Crustless Bacon, Mushroom, and Cheese Quiche Bake Recipe?

Absolutely! While sharp cheddar and Gruyère give a classic flavor combo, feel free to experiment with Swiss, mozzarella, or even pepper jack for a spicier kick. Just choose cheeses that melt well to maintain the creamy texture.

Is it necessary to roast the bacon in the oven?

Roasting bacon is the easiest and least messy method, ensuring crispy, evenly cooked pieces without constant attention. However, you can pan-fry it if you prefer, just drain it well to avoid sogginess in the quiche bake.

Can I add other vegetables to this quiche bake?

Definitely! Chopped bell peppers, spinach, or sun-dried tomatoes make excellent additions. Just sauté any extra veggies to soften and remove moisture before adding to the mix.

Does this recipe work well for meal prep?

Yes! This Crustless Bacon, Mushroom, and Cheese Quiche Bake Recipe is perfect for meal prep because it holds up well in the fridge and freezer. Simply reheat portions for quick, satisfying meals that feel fresh every time.

What makes this quiche crustless and why choose it?

Going crustless means fewer carbs and less prep time, while the creamy egg custard and flavorful mix-ins provide all the satisfaction of a traditional quiche. It’s lighter but still filling, making it a great option for busy mornings or casual dinners.

Final Thoughts

There’s something incredibly soothing about a warm slice of this Crustless Bacon, Mushroom, and Cheese Quiche Bake Recipe that makes you feel right at home. Whether you’re feeding a crowd or just treating yourself, its rich flavors and comforting textures never disappoint. I can’t recommend this recipe enough – give it a try and watch it become a beloved classic in your family’s cookbook.