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Savory Kale and Mushroom Strata: A Cozy Make-Ahead Brunch Delight

Published: Sep 15, 2025 by Dia Martinez · This post may contain affiliate links · Leave a Comment

As I layered the vibrant kale, earthy mushrooms, and melting Gruyère cheese with fluffy bread, I felt a sense of cozy anticipation. This Kale and Mushroom Strata encapsulates everything I love about cooking—it's a dish that not only nourishes the body but also warms the soul. What truly excites me about this recipe is its versatility; you can swap out ingredients depending on what you have on hand, making it a lifesaver for busy mornings. Plus, it's perfect for make-ahead brunches, allowing you to enjoy delicious comfort food without the last-minute rush. So, whether you’re entertaining friends or whipping up a hearty breakfast for the family, this strata is bound to be a hit. Curious about how to create this culinary delight? Let’s dive into the delicious details!

Why is Kale and Mushroom Strata a Must-Try?

Versatile Ingredients: This dish easily accommodates whatever veggies or cheeses you have on hand, making it a perfect leftover repurposing hero!

Crowd-Pleasing Appeal: Ideal for brunch gatherings, the combination of rich flavors and textures will impress your guests and family alike.

Make-Ahead Convenience: Assemble it the night before and pop it in the oven the next morning! Enjoy hassle-free mornings with a warm, hearty breakfast ready to go.

Comfort in Every Bite: The warm, custardy filling, combined with crispy edges, creates a satisfying dish that’s deliciously cozy.

Nutritious & Delicious: Packed with fiber and protein from kale and eggs, this strata is not only hearty but also health-conscious. Give it a try and discover your new favorite brunch go-to!

Kale and Mushroom Strata Ingredients

For the Vegetables

  • Kale – Adds vibrant color and nutrients; use dinosaur kale for its tender texture.
  • Mushrooms – Provide an earthy flavor; sauté until browned to build depth.
  • Onions/Shallots – Adds sweetness and aroma; choose whichever you prefer to elevate the dish.

For the Base

  • Bread – The structure of the strata; a sturdy loaf like sourdough or country bread is ideal. Stale or toasted bread prevents sogginess.
  • Eggs – Essential for binding the strata's texture; they form the creamy custard base.
  • Half and Half – Richness in the custard; can substitute with whole milk for a lighter version or heavy cream for extra indulgence.

For the Cheese

  • Gruyère Cheese – Melts beautifully offering a nutty flavor; Parmesan can be added for added complexity.

For Sautéing

  • Olive Oil – Used for sautéing; enhances flavor and prevents sticking; indispensable in this Kale and Mushroom Strata recipe.

Step‑by‑Step Instructions for Kale and Mushroom Strata

Step 1: Toast Bread
Preheat your oven to 350°F (175°C). Spread the bread cubes on a baking sheet and toast them in the oven for 10–15 minutes, or until they are golden and dry, stirring halfway through for even toasting. This step is crucial to ensure your Kale and Mushroom Strata doesn’t become soggy later.

Step 2: Sauté Vegetables
In a large skillet, heat 2 tablespoons of olive oil over medium heat. Add diced onions or shallots and sauté for about 3 minutes until they become translucent. Stir in the sliced mushrooms, seasoning with salt and pepper, then cook for 10–15 minutes, until the mushrooms are nicely browned. Finally, add the chopped kale and cook until wilted, which should take about 4–6 minutes.

Step 3: Combine Ingredients
In a large mixing bowl, whisk together 6 eggs and 2 cups of half and half until well blended. Add 1 cup of shredded Gruyère cheese along with a pinch of salt and pepper to taste. Gently fold in the toasted bread cubes and the sautéed vegetable mixture, ensuring everything is evenly coated in the custard.

Step 4: Chill Mixture
Transfer the combined mixture to a lidded dish or a greased 9x13-inch baking dish. Cover it tightly and refrigerate for at least 2 hours; overnight is even better! This resting period allows the bread to absorb the custard, enhancing the flavor and texture of your Kale and Mushroom Strata.

Step 5: Bake
When ready to bake, preheat your oven to 350°F (175°C) if it has cooled down. Remove the lid and place the dish in the oven, baking the strata uncovered for 45–60 minutes or until the top is golden brown and the center is set. A knife inserted into the middle should come out clean.

Step 6: Cool and Serve
After baking, allow the Kale and Mushroom Strata to cool for about 10–15 minutes before slicing. This cooling time helps the strata hold its shape when serving. Slice into squares and serve warm, letting the comforting aroma fill your space!

What to Serve with Kale and Mushroom Strata?

Enhance your Kale and Mushroom Strata experience with delightful pairings that create a full and satisfying meal.

  • Crisp Green Salad: A fresh salad with a zesty vinaigrette balances the richness of the strata, adding brightness to your plate.
  • Hearty Tomato Soup: A bowl of warm, velvety tomato soup complements the savory flavors perfectly, creating a comforting duo.
  • Fruit Salad Medley: A refreshing mix of seasonal fruits brings sweetness that contrasts beautifully with the savory strata, invigorating the palate.
  • Roasted Asparagus: The subtle crunch of roasted asparagus adds a lovely texture, while its earthy flavor pairs well with the mushrooms.
  • Deviled Eggs: These classic bites bring creamy richness and a hint of tang, enhancing the brunch experience with their crowd-pleasing appeal.
  • Sparkling Mimosa: This bubbly drink with a citrus twist elevates your brunch, adding a celebratory touch that pairs nicely with the strata’s flavors.
  • Garlic Bread: A slice of buttery garlic bread offers a delicious crunch and aromatic flair, perfect for soaking up bits of strata with each bite.
  • Cheese Platter: Include an array of cheeses to complement the Gruyère in your strata, catering to various tastes and textures for your guests.
  • Chocolate Croissant: Finish on a sweet note with a flaky chocolate croissant, delivering an indulgent finale that contrasts the savory brunch dish.
  • Iced Coffee: Serve with a glass of refreshing iced coffee to awaken the senses and balance the rich, comforting flavors of your strata.

Make Ahead Options

These Kale and Mushroom Strata are perfect for busy home cooks looking to save time without sacrificing flavor. You can assemble the entire dish and refrigerate it for up to 24 hours before baking, allowing the bread to soak up the custard, which enhances the flavors. Simply follow the instruction to combine all the ingredients, then cover the dish tightly and place it in the refrigerator. When you're ready to bake, preheat your oven to 350°F (175°C), remove the lid, and pop it in for 45-60 minutes until golden and set. This make-ahead approach ensures your strata remains just as delicious while giving you a hassle-free brunch ready to impress.

Kale and Mushroom Strata Variations

Feel free to get creative with this delightful dish—explore flavor profiles and textures that excite your palate!

  • Greens Swap: Replace kale with spinach or Swiss chard for new flavors or simply to use what’s in your fridge. Both greens will still deliver that vibrant color and essential nutrients while offering a different texture.

  • Protein Boost: Add cooked bacon, sausage, or diced ham for an extra protein punch. This hearty addition creates a savory twist, perfect for those who crave a bit more substance in their brunch.

  • Cheese Medley: Experiment with a mix of cheeses like cheddar or feta for a different flavor profile. The melted layers of cheese will become the star of your strata, adding depth and richness.

  • Herb Infusion: Toss in fresh herbs like thyme or rosemary for an aromatic touch. These herbs will brighten up the flavors, creating a more complex and inviting dish that resonates with your senses.

  • Spice It Up: For a kick, sprinkle in some red pepper flakes or diced jalapeños. This heat complements the creamy egg and cheese mixture, making each bite an exciting adventure.

  • Dairy-Free Delight: Substitute half and half with almond or oat milk to cater to a dairy-free lifestyle. Your strata will maintain its comforting custardy texture while accommodating various dietary needs.

  • Carb Crossroads: Use croissants or brioche instead of regular bread for an indulgent twist. The buttery richness of the bread adds an exquisite level of decadence to your Kale and Mushroom Strata.

  • Veggie Diversity: Incorporate different vegetables like bell peppers or zucchini for added color and nutrients. Not only do they enhance flavor but they also make your strata visually appealing, inviting everyone to dig in.

Now, which variation will you try first? Each twist promises to transform this classic recipe into an extraordinary dish that reflects your unique culinary style!

Helpful Tricks for Kale and Mushroom Strata

  • Toast Bread Well: Ensure bread is adequately toasted. Stale or well-dried bread prevents sogginess, making your Kale and Mushroom Strata perfectly fluffy.

  • Rest for Flavor: Refrigerate the mixture for at least 2 hours, preferably overnight. This resting time helps meld the flavors together beautifully.

  • Monitor Baking: If the top browns too quickly, cover it with foil. This prevents burning while ensuring the inside is cooked through.

  • Cheese Substitutions: Feel free to mix and match cheeses! Adding cheddar or feta can provide different flavor profiles, keeping your Kale and Mushroom Strata exciting.

  • Check Consistency: Use a knife to test for doneness; it should come out clean when the strata is fully set.

How to Store and Freeze Kale and Mushroom Strata

  • Fridge: Store leftovers in an airtight container for up to 3-4 days. This keeps your creamy and flavorful Kale and Mushroom Strata fresh and ready for another delicious meal.

  • Freezer: If you want to enjoy it later, freeze it for up to 3 months. Wrap individual portions tightly, ensuring no air is trapped to prevent freezer burn.

  • Reheating: When you're ready to enjoy your strata, thaw in the fridge overnight if frozen. Reheat in a 350°F oven, covered with foil, for about 20-25 minutes, until warmed through.

  • Leftover Tips: For an appetizing twist, serve reheated strata with a fresh side salad or a drizzle of your favorite dressing!

Kale and Mushroom Strata Recipe FAQs

How do I choose the right kale for my strata?
Absolutely! I recommend using dinosaur kale for its tender texture and vibrant color. Look for leaves that are firm and deep green without dark spots or yellowing. Fresh kale will add a delightful crunch to your strata while still providing plenty of nutrients.

What’s the best way to store leftover Kale and Mushroom Strata?
Very! Store your leftover Kale and Mushroom Strata in an airtight container in the refrigerator for up to 3-4 days. This keeps it fresh and ready for another delicious meal. Just make sure it's completely cooled before sealing to prevent condensation.

Can I freeze Kale and Mushroom Strata for later use?
Absolutely! You can freeze your Kale and Mushroom Strata for up to 3 months. Make sure to slice it into portions and wrap each piece tightly in plastic wrap, then in foil for extra protection against freezer burn. When you're ready to enjoy it, simply thaw overnight in the fridge and reheat in a 350°F oven.

What should I do if my strata comes out too soggy?
Not a problem! If your Kale and Mushroom Strata turns out soggy, it might be due to using fresh bread instead of stale or toasted bread. Next time, make sure to toast your bread cubes thoroughly until they are dry, and allow the dish to rest in the fridge to absorb the custard properly. If it's already baked, consider serving it with a crispy side like a simple salad or crunchy veggies to balance the texture.

Is this recipe suitable for those with dairy allergies?
The more the merrier! If dairy is a concern, you can make some adjustments. Substitute the half and half with unsweetened almond milk or oat milk, and use dairy-free cheese alternatives. The flavor may vary a bit, but it still promises a delicious strata experience without the dairy.

How long should I let the strata rest before baking?
Definitely longer is better! To achieve the best flavor and texture, refrigerate the assembled strata for at least 2 hours and ideally overnight. This allows the bread to soak up the creamy custard, enhancing the flavors as they meld together beautifully. When you're ready to bake, just pop it in the oven and enjoy!

Kale and Mushroom Strata

Savory Kale and Mushroom Strata: A Cozy Make-Ahead Brunch Delight

Kale and Mushroom Strata is a versatile, make-ahead brunch dish that combines vibrant kale, earthy mushrooms, and rich Gruyère cheese for a hearty meal.
Print Recipe Pin Recipe
Prep Time 30 minutes mins
Cook Time 1 hour hr
Resting Time 2 hours hrs
Total Time 3 hours hrs 30 minutes mins
Servings: 8 slices
Course: Breakfast
Cuisine: American
Calories: 350
Ingredients Equipment Method Nutrition Notes

Ingredients
  

Vegetables
  • 1 bunch Kale use dinosaur kale for tender texture
  • 8 ounces Mushrooms sautéed until browned
  • 1 cup Onions/Shallots diced, for sweetness
Base
  • 8 slices Bread sturdy loaf like sourdough
  • 6 large Eggs for creamy custard base
  • 2 cups Half and Half can substitute with whole milk or heavy cream
Cheese
  • 1 cup Gruyère Cheese shredded, melts beautifully
Sautéing
  • 2 tablespoons Olive Oil for sautéing vegetables

Equipment

  • oven
  • skillet
  • mixing bowl
  • baking dish

Method
 

Step-by-Step Instructions
  1. Preheat your oven to 350°F (175°C). Spread the bread cubes on a baking sheet and toast them in the oven for 10–15 minutes, or until they are golden and dry, stirring halfway through.
  2. In a large skillet, heat 2 tablespoons of olive oil over medium heat. Add diced onions or shallots and sauté for about 3 minutes until they become translucent. Stir in the sliced mushrooms, seasoning with salt and pepper, then cook for 10–15 minutes, until the mushrooms are nicely browned. Finally, add the chopped kale and cook until wilted, which should take about 4–6 minutes.
  3. In a large mixing bowl, whisk together 6 eggs and 2 cups of half and half until well blended. Add 1 cup of shredded Gruyère cheese along with a pinch of salt and pepper to taste. Gently fold in the toasted bread cubes and the sautéed vegetable mixture, ensuring everything is evenly coated in the custard.
  4. Transfer the combined mixture to a lidded dish or a greased 9x13-inch baking dish. Cover it tightly and refrigerate for at least 2 hours; overnight is even better.
  5. When ready to bake, preheat your oven to 350°F (175°C) if it has cooled down. Remove the lid and place the dish in the oven, baking the strata uncovered for 45–60 minutes or until the top is golden brown and the center is set.
  6. After baking, allow the Kale and Mushroom Strata to cool for about 10–15 minutes before slicing. Slice into squares and serve warm.

Nutrition

Serving: 1sliceCalories: 350kcalCarbohydrates: 30gProtein: 15gFat: 20gSaturated Fat: 10gPolyunsaturated Fat: 2gMonounsaturated Fat: 6gCholesterol: 150mgSodium: 400mgPotassium: 300mgFiber: 3gSugar: 3gVitamin A: 750IUVitamin C: 45mgCalcium: 300mgIron: 3mg

Notes

Store leftovers in an airtight container for up to 3-4 days. Can be frozen for up to 3 months.

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I'm a passionate home cook and recipe developer who has been creating and testing family-friendly recipes for over 8 years. Every recipe on DiaRecipes is tested multiple times in my own kitchen before sharing it with you

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