Spinach & Cheese Strata
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Layered with spinach, cheese, and bread, and soaked in a savory custard, this make-ahead strata is ideal for entertaining.
A strata is a layered casserole made with bread, eggs, cheese, and sometimes vegetables or meat (strata means layers). Think of it as a savory bread pudding or breakfast casserole. This spinach version is richly flavored with Gruyère, Parmesan, and Dijon mustard. It’s the perfect vegetarian brunch dish to feed a crowd. You do all of the preparation the night before, let the strata rest in the fridge overnight, then pop it in the oven in the morning. As it bakes, it puffs up like a cheese soufflé, making it a real showstopper. The strata does fall a bit as it cools, but it’s still impressive. For an elegant brunch, serve the strata with bacon (for perfectly crispy bacon, learn how to cook bacon in the oven), a strawberry & orange fruit salad, and mimosas.
Table of Contents
What You’ll Need To Make Spinach & Cheese Strata
Before we get started, a few words about the ingredients. It’s important to use good quality cheese. The recipe calls for a combination of Gruyère and Parmigiano-Reggiano cheese, but since they are both expensive, feel free to substitute other good melting cheeses with bold flavor, like extra-sharp cheddar. The recipe is pretty flexible, so you can play around with different sautéed vegetables depending on what you have on hand. Some cooked sausage or pancetta would be a nice addition; just be sure to reduce the salt in the recipe to a scant teaspoon or the strata will be way too salty.
Be sure to squeeze all of the water out of the spinach. Take your time; it’s important to get it all out or the strata will be watery.
Step-By-Step Instructions
Melt the butter in a skillet over medium heat.
Add the onions and cook, stirring frequently, until soft and translucent, about 5 minutes.
Add the spinach and garlic and cook a few minutes more.
Layer a third of the cubed bread in a buttered 3-quart or 9×13-inch baking dish.
Top with a third of the spinach.
Followed by a third of each cheese.
Repeat layering twice, ending with the cheese.
Make the custard by combining the whisked eggs, half-and-half-Dijon mustard salt, pepper and nutmeg.
Whisk evenly to combine.
Pour evenly over top of the strata, then cover and refrigerate for at least one hour or overnight.
Bake for about 70 to 80 minutes, until puffed, set and golden all over.
Note: My starting point for this recipe was this popular strata originally published in Gourmet magazine. I increased the spinach; amped up the flavor by adding garlic and increasing the salt; swapped the milk for half-and-half; and reduced the baking temperature from 350°F to 325°F for a creamier texture.
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Spinach & Cheese Strata
Layered with spinach, cheese, and bread, and soaked in a savory custard, this make-ahead strata is ideal for entertaining.
Ingredients
- 1 pound bag chopped frozen spinach, thawed and squeezed as dry as possible
- 3 tablespoons unsalted butter
- 1 large yellow onion, chopped (about 2 cups)
- 3 garlic cloves, minced
- 12 ounces (¾ pound) Italian sandwich bread, cut into 1-inch cubes (about 11 slices or 8 cups)
- 6 ounces (1½ cups) coarsely grated Gruyère
- 2 ounces (⅔ cup) finely grated Parmigiano-Reggiano
- 9 large eggs
- 2¾ cups half-and-half
- 2 tablespoons Dijon mustard
- 1¾ teaspoons salt
- ¾ teaspoon black pepper
- ¼ teaspoon ground nutmeg
Instructions
- Melt the butter in a large skillet over medium heat. Add the onion and cook, stirring frequently, until soft and translucent, 4 to 5 minutes. Add the garlic and drained spinach and cook 2 minutes more. Set aside.
- Butter a 3-quart or 9x13-inch baking dish. Spread one third of the bread cubes in the dish and top evenly with one third of spinach mixture. (Try to break it up as much as possible so there are no huge clumps of spinach.) Sprinkle with one third of each cheese. Repeat layering twice, ending with cheeses.
- In a large bowl, whisk the eggs. Add the half-and-half, mustard, salt, pepper, and nutmeg and whisk until well combined. Pour the custard mixture evenly over the strata. Cover the strata with plastic wrap and chill for at least 1 hour or overnight.
- Preheat oven to 325°F. Bake the strata, uncovered, until puffed, set and golden brown all over top, 70-80 minutes. Let stand 10 to 15 minutes before serving. It will settle a bit as it cools.
- Note: The cook time is based on the strata going immediately from the fridge to the oven. If it sits out at room temperature before baking, the cook time will be about 10 minutes less.
Nutrition Information
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- Per serving (8 servings)
- Calories: 483
- Fat: 30g
- Saturated fat: 16g
- Carbohydrates: 30g
- Sugar: 4g
- Fiber: 4g
- Protein: 25g
- Sodium: 1117mg
- Cholesterol: 280mg
This website is written and produced for informational purposes only. I am not a certified nutritionist and the nutritional data on this site has not been evaluated or approved by a nutritionist or the Food and Drug Administration. Nutritional information is offered as a courtesy and should not be construed as a guarantee. The data is calculated through an online nutritional calculator, Edamam.com. Although I do my best to provide accurate nutritional information, these figures should be considered estimates only. Varying factors such as product types or brands purchased, natural fluctuations in fresh produce, and the way ingredients are processed change the effective nutritional information in any given recipe. Furthermore, different online calculators provide different results depending on their own nutrition fact sources and algorithms. To obtain the most accurate nutritional information in a given recipe, you should calculate the nutritional information with the actual ingredients used in your recipe, using your preferred nutrition calculator.
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I just made this for Easter. Everyone loved it and asked me for the recipe! This is a keeper. I made it as is according to your recipe and served it with a side of sauteed mushrooms. Delicious! Thank you for so many great recipes!
Made this for the very first time Easter Sunday. I felt safe with your recipe as you never disappoint. I love the fact that it is a make ahead dish. It was delicious and everyone loved it. I will definitely make this again.
I followed this recipe exactly and found it very salty, possibly due to the brands of Gruyere and Parmigiano-Reggiano that I used. This strata is good, but for a similarly flavored brunch option, I’ll stick to Jen’s Parmesan and Leek Quiche which I’ve made many times and is spectacular! Thanks for all the good recipes.
Made this for the first time for Easter Brunch. We all LOVED it! Easy and yummy! Your recipes are always great. Thank you for re-inspiring my repertoire. 😃
Oh my was this good! Everyone loved it! Only change was Jarlsberg cheese for the pricey Gruyere cheese. Easy to make and made it the night before for an Easter brunch.
Hi Jenn. Put the strata together yesterday to serve for brunch this morning. Another perfect recipe from Jenn!!!! I just cut back on the half and half a bit and used some milk. My husband and granddaughter loved it!! Definitely five stars. Your recipes always are a success. Thank you!!!
I made this for Easter weekend and it was delicious. Easy to assemble, with a winning combination of flavors. Very smooth on the palette. I sauteed an 11oz bag of fresh baby spinach
and served it with Sweet Italian Sausage on the side. Thanks Jenn for another fabulous recipe!
I will surely be making it again.
Hi Jen, I’d like to make this alongside your baked french toast. Can I bake it at 350 for less time (instead of 325)?
Hi Stephanie, That should be fine. Enjoy!
Added some diced applewood smoked bacon and used a shaved blend of Asiago, Parmesan and Romano cheese you can get at Sam’s Club. It was fantastic. Thanks for all the great recipes.
Would it be OK to use Fat Free Half and Half?
Hi Diane, I’ve never cooked with fat-free half & half so I can’t say for sure, but I think it should work. You could also go with whole milk. Please LMK how it turns out!
Made it for my Recipe Swap group today. I did use Fat Free Half and Half and it turned out great! It did fall a little while it was resting for the 10-15 minutes before serving it, not sure if that is normal or maybe the fat free half & half might have
caused that. Either way, it was a hit.