If you’re craving a comforting dish that feels like a warm hug on a plate, you’re going to adore this Kale and Mushroom Strata Recipe. It’s one of those recipes I keep coming back to, especially when I want something hearty yet veggie-packed for brunch or a cozy dinner. Imagine tender kale, earthy mushrooms, and gooey cheese all nestled in soft, custardy bread—pure magic! Stick with me, and I’ll walk you through every step to nail this fan-freaking-tastic recipe.

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Why You’ll Love This Recipe

  • Hearty and Healthy: Kale and mushrooms bring loads of nutrients, making this strata both comforting and nourishing.
  • Make-Ahead Friendly: Prep it the night before, refrigerate, and pop it in the oven when you’re ready—life saver!
  • Custardy Goodness: The creamy egg and cheese custard seeps into the bread for that perfectly soft, savory bake.

Ingredients You’ll Need

Each ingredient in this Kale and Mushroom Strata Recipe plays a special role that makes every bite sing. From the bold Gruyère cheese to the hearty dinosaur kale, these flavors blend beautifully. I always recommend fresh mushrooms and sturdy bread that can soak up that luscious custard without turning mushy.

  • Olive oil: Use good quality for sautéing veggies; it adds subtle richness without overpowering.
  • Yellow onion or shallot: Adds sweetness and depth—don’t skip this step as it builds flavor.
  • Wild mushrooms: Their earthy flavor is crucial; I love a mix of types if you can find them.
  • Dinosaur kale: Its sturdiness holds up well in baking and offers a beautiful texture contrast.
  • Bread (cubed): Day-old or sturdy artisan bread is best; it soaks up the custard perfectly.
  • Gruyère cheese: Shredded for meltiness and nutty flavor—it’s my go-to cheese for stratas.
  • Parmesan cheese: Adds a salty punch and a crisp top crust when baked.
  • Eggs: The custard base that binds everything—don’t skimp on freshness here.
  • Half and half (or cream/milk): Choose according to your desired richness; half and half hits a great balance.
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Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

I love how adaptable this Kale and Mushroom Strata Recipe is. Whether you’re feeding a crowd or tweaking it for special diets, there’s a way to make it your own. Feel free to swap out greens or cheese based on what you have on hand, and don’t hesitate to make it more or less rich depending on your mood.

  • Meaty variation: I once added cooked sausage, and it took this strata to a whole new level of savory indulgence.
  • Cheese swaps: If you’re avoiding dairy, try a combo of nutritional yeast and vegan cheese for a similar depth.
  • Seasonal greens: I’ve used spinach or Swiss chard when kale wasn’t around, and it still works beautifully.
  • Dairy alternatives: Half and half can be swapped with oat or almond milk plus a splash of vegan butter for creaminess.

How to Make Kale and Mushroom Strata Recipe

Step 1: Toast Your Bread to Perfect Crispy Cubes

Start by cubing your bread into roughly 1-inch pieces and toasting them in the oven for about 10-15 minutes. This might seem like a small step, but trust me, it’s key to avoiding soggy strata. The dry, toasted bread absorbs the custard and juices from veggies without turning mushy, ensuring you get that lovely layered texture. Spread them out evenly on a baking sheet so every piece crisps up nicely.

Step 2: Sauté Your Veggies with Love

In a large sauté pan, warm 1 tablespoon of olive oil over medium heat. Toss in your sliced onions and mushrooms, seasoning with a pinch of salt and pepper. Stir occasionally and let them soften for about 15 minutes—this slow cooking really brings out their rich, earthy flavors. Then add the kale, season again, and cook until just wilted, about 4-6 minutes. I like to cover the pan with a lid for a little steam boost, but keep an eye on it so nothing sticks or dries out. If it looks thirsty, add a splash more olive oil.

Step 3: Combine Everything in a Big Bowl

Grab a large bowl and toss your toasted bread cubes in. In another bowl, whisk together the eggs, half and half, Gruyère, Parmesan, and a good pinch of salt and pepper. Pour that luscious custard over the bread, then fold in your warm veggies. This is where the magic happens—make sure everything is evenly coated so every bite is bursting with flavor. If your bread is a bit stubborn, let the mixture sit for 5-10 minutes to soak up the custard fully before transferring to your baking dish.

Step 4: Refrigerate to Let the Flavors Marry

Cover your baking dish—if you’re using a Le Creuset Dutch Oven like I do, it’s perfect for this—and refrigerate the strata for at least 2 hours, or up to 12. This resting time is crucial for the custard to soak deep into the bread, creating that custardy, tender middle that makes this strata so irresistible. I often prep this the night before and bake fresh in the morning to save time, and it always turns out amazing.

Step 5: Bake to Golden Perfection

Preheat your oven to 350°F. Take off the lid and pop the strata in the oven for 45 to 60 minutes, until the top is beautifully browned and the custard is set. Keep an eye on it toward the end; if it starts to brown too fast, just cover with the lid to prevent burning while it finishes baking. Once done, let it cool for a few minutes—this makes slicing easier and helps the strata set up just right before serving.

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Pro Tips for Making Kale and Mushroom Strata Recipe

  • Don’t Skip Toasting the Bread: It’s the secret to avoiding a soggy bottom and helps the custard soak evenly.
  • Use a Heavy-Duty Baking Dish: A Dutch oven or ceramic dish retains heat well, giving you even baking.
  • Let It Rest: Chilling the strata before baking really deepens the flavors and improves texture.
  • Watch the Baking Time: Keep an eye on browning and cover if needed to avoid a burnt crust.

How to Serve Kale and Mushroom Strata Recipe

The dish shows a close-up of a baked casserole with multiple layers. The base layer consists of soft, golden-yellow bread pieces with a slightly crunchy, toasted brown top. Mixed throughout are dark green leafy bits that look cooked and wilted, adding texture. Thin caramelized onion strips are scattered across, showing a rich brown color and slightly curled shapes. The bread pieces are uneven in size and appear soaked with a creamy, light yellow sauce that peeks through in some spots. The whole dish has a golden-brown upper crust with crisp and slightly charred edges, giving it a warm, homely look. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

I like to sprinkle a little fresh parsley or thyme on top after baking—it adds a fresh herbal brightness that cuts through the richness. Sometimes I also drizzle a small amount of truffle oil for an extra mushroom-y punch when serving to guests. A light dusting of extra Parmesan right out of the oven adds a lovely salty crunch, too.

Side Dishes

This strata pairs beautifully with a crisp green salad dressed with lemon vinaigrette—something bright and simple to balance the richness. I also serve it alongside roasted tomatoes or fresh fruit for a brunch spread that feels both special and down-to-earth. If you want to keep it cozy, a cup of chilled cucumber dill soup is a surprising but wonderful match.

Creative Ways to Present

For a fancy brunch, I’ve baked individual servings in mini ramekins—makes cleanup easy and looks super cute on the table. Another idea is layering the strata in a clear glass baking dish so the kale and mushrooms peek through for a rustic, inviting look. I once garnished slices with edible flowers for a spring celebration; it was a total showstopper!

Make Ahead and Storage

Storing Leftovers

Once cooled, I store leftover strata in an airtight container in the fridge. It keeps well for 3 to 4 days, and the flavors actually deepen nicely overnight. I usually reheat individual slices gently to keep the custard creamy and avoid drying out the bread.

Freezing

I’ve frozen the strata after baking with good results. Cut it into portions and wrap tightly in plastic wrap and foil before freezing. When you’re ready to enjoy, thaw overnight in the fridge and reheat gently in the oven to preserve texture and flavor.

Reheating

To reheat, bake leftovers covered at 325°F for about 15-20 minutes or until warmed through. Covering prevents drying, keeping the custard luxuriously creamy. I sometimes add a sprinkle of extra cheese before reheating for a fresh cheesy top.

FAQs

  1. Can I make the Kale and Mushroom Strata Recipe vegan?

    While the traditional recipe relies on eggs and cheese for custard and flavor, you can create a vegan version by using plant-based milk (like almond or oat), vegan cheese alternatives, and an egg substitute such as a chickpea flour batter or silken tofu blended with seasoning. Keep in mind that texture and flavor will vary, so it might take a couple of tries to perfect.

  2. What kind of bread is best for strata?

    Sturdy breads like sourdough, French baguette, or artisan country bread work best because they hold up well after soaking in the custard. Avoid soft sandwich breads that can become mushy. Using day-old or slightly stale bread also helps the strata develop great texture.

  3. How long can I refrigerate the strata before baking?

    The strata can be kept covered in the fridge for anywhere between 2 and 12 hours before baking. This resting period lets the custard soak into the bread and flavors meld beautifully. I recommend at least 2 hours if you’re short on time, but overnight always works best.

  4. Can I add other vegetables to the recipe?

    Absolutely! Feel free to mix in sautéed bell peppers, spinach, or even roasted butternut squash for seasonal variety. Just be mindful of moisture content; cook vegetables thoroughly to avoid making the strata watery.

Final Thoughts

I absolutely love how this Kale and Mushroom Strata Recipe turns out every single time—it’s become my go-to whenever I want something that feels both wholesome and indulgent. It’s the kind of dish I feel confident bringing to brunches or making for my family on a lazy weekend morning. I hope you give it a try and discover the same cozy joy I do each time I bake it. Here’s to many delicious meals ahead!

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Kale and Mushroom Strata Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.7 from 136 reviews
  • Author: Julia
  • Prep Time: 15 minutes
  • Cook Time: 60 minutes
  • Total Time: 75 minutes
  • Yield: 10 servings
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Description

A custardy, savory Kale and Mushroom Strata combining sautéed wild mushrooms, tender dinosaur kale, and toasted bread soaked in a rich egg and cheese custard. This baked breakfast casserole is perfect for holiday mornings or any special brunch occasion, delivering a hearty mix of flavors and textures.


Ingredients

Vegetables

  • 1 yellow onion (or shallot, sliced)
  • 16 ounces wild mushrooms (trimmed and sliced)
  • 16 ounces dinosaur kale (stemmed and cut into pieces)

Dairy & Eggs

  • 2 cups Gruyere Cheese (shredded)
  • 1/2 cup Parmesan cheese (grated)
  • 10 eggs
  • 2.5 cups half and half (or heavy cream or milk)

Pantry Staples

  • 2 tablespoons olive oil
  • 8 cups cubed bread (cut or torn into 1 inch pieces)
  • Kosher salt and freshly ground pepper


Instructions

  1. Toast Bread: Preheat your oven and toast the cubed bread for 10-15 minutes until it is dried out. This step helps the bread absorb the custard without becoming too soggy.
  2. Sauté Onions and Mushrooms: Heat 1 tablespoon of olive oil in a large sauté pan over medium heat. Add the sliced onion and wild mushrooms, seasoning with kosher salt and freshly ground black pepper. Cook, stirring occasionally, for about 15 minutes until softened and aromatic.
  3. Cook Kale: Add the dinosaur kale to the pan with onions and mushrooms. Season again with salt and pepper. Stir and cook until the kale wilts, about 4-6 minutes. Cover with a lid to speed up wilting, adding more olive oil if needed to prevent sticking.
  4. Prepare Custard Mixture: In a large bowl, combine the toasted bread cubes with the eggs, half and half, Gruyere, Parmesan, kosher salt, and freshly ground pepper. Stir well to incorporate all ingredients evenly.
  5. Assemble Strata: Add the sautéed vegetables to the bread and custard mixture, folding gently to combine. Transfer the entire mixture to a heavy Dutch oven or baking dish. Cover with a lid and refrigerate for a minimum of 2 hours, and up to 12 hours to allow flavors to meld and the bread to soak the custard thoroughly.
  6. Bake: Remove the strata from the refrigerator about 30 minutes before baking to come closer to room temperature. Preheat the oven to 350°F (175°C). Remove the lid and bake the strata uncovered for around 45-60 minutes until the top is golden brown and the custard is set. If the top browns too quickly, cover with the lid and continue baking until fully cooked.
  7. Serve: Allow the strata to cool slightly before slicing and serving warm as a hearty breakfast or brunch dish.

Notes

  • This custardy Kale and Mushroom Strata makes a fantastic holiday breakfast or brunch centerpiece with its rich blend of veggies, creamy custard, and chewy bread.
  • For a dairy-free version, substitute half and half with a plant-based alternative and select dairy-free cheeses.
  • Using sturdy bread like sourdough or country loaf improves texture since it holds the custard without falling apart.
  • Refrigerating the strata overnight intensifies the flavors and ensures the bread fully absorbs the custard.
  • This recipe is easily doubled for larger groups and can be prepared ahead for convenience.

Nutrition

  • Serving Size: 1 serving
  • Calories: 326 kcal
  • Sugar: 5 g
  • Sodium: 395 mg
  • Fat: 25 g
  • Saturated Fat: 12 g
  • Unsaturated Fat: 11 g
  • Trans Fat: 0.02 g
  • Carbohydrates: 8 g
  • Fiber: 3 g
  • Protein: 20 g
  • Cholesterol: 217 mg

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