The Best Spinach Gratin Recipe Ever - Everyday Dishes (2024)

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by Cheryl Najafi on Aug 17, 2015 14 comments »

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Our spinach gratin recipe is how spinach was meant to be consumed—with lots of cheese! We perfected this recipe so it’s not ‘soupy’ like au gratin dishes you may have tasted in the past. In fact, we added just enough sauce to bind and flavor the spinach and used a nice, high-quality Monterey Jack or Gruyere cheese.

Don’t be fooled by the cheese, however, because our recipe contains nearly three pounds of leafy greens, making it a dense and hearty side dish. Sometimes our recipes are picked through but not totally consumed—but this time, there wasn’t a sliver of spinach or even a singlet of melted cheese left stuck to the pan. It’s that good.

The Best Spinach Gratin Recipe Ever - Everyday Dishes (1)

Our spinach gratin is perfect for every day dinners, a welcome holiday side dish and perfect for company. It’s a recipe that pairs well with just about anything, and while it’s listed under ‘sides,’ we’d be more than happy to eat this as a main course!

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Spinach Gratin Recipe Tips:

  • Be sure to squeeze as much liquid as possible from the frozen spinach—the successful outcome of the dish depends on removing as much water as possible! A cheesecloth makes this super easy (paper towels can tend to disintegrate with all the extra moisture.)
  • You can also use fresh spinach in this recipe, but you’ll need quite a bit. You’ll want to substitute 1 – 1.5lbs of fresh spinach for every 10oz bag of frozen – so 5 – 7lbs of fresh spinach for this recipe. Cook it down in a pan and then add it in at the same spot as the frozen spinach in the recipe.
  • Not a fan of the cheeses we use? Swap in the melty ones that you prefer.

The Best Spinach Gratin Recipe Ever - Everyday Dishes (3)

Spinach Gratin Recipe

Prep Time: 30 minutes mins

Cook Time: 30 minutes mins

Total Time: 1 hour hr

One of our most popular recipe – you will go nuts for our spinach gratin. It’s super easy, packed with spinach and tastes amazing!

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Ingredients

Yield: 8 -10 servings

4.14 from 200 ratings

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Instructions

  • Preheat oven to 400 degrees, lightly coat a 2-qt casserole dish with cooking spray and set aside. Place a large skillet over medium heat then melt butter. Add onions and cook 3–4 minutes until translucent. Add garlic then cook 1 additional minute.

  • Add flour then cook, stirring constantly for 1 additional minute. Add milk, salt and nutmeg then stir until combined. Bring liquid to a bubble then reduce heat to low and simmer for 10 minutes, stirring frequently to prevent scorching.

  • Squeeze as much liquid as possible from the spinach—the successful outcome of the dish depends on removing as much water as possible! Add spinach and Parmesan cheese to sauce and stir until completely combined. Taste and season with additional salt and pepper if necessary.

  • Transfer to prepared baking dish and sprinkle with Monterey Jack or Gruyere cheese. Bake for 28–30 minutes or until cheese becomes golden and dish is hot and bubbly.

Notes

Don’t be shy when it comes time to remove the liquid from the spinach. The success of this dish depends on it!

Author: Cheryl Najafi

Course: side dishes

Calories: 193kcal, Carbohydrates: 14g, Protein: 12g, Fat: 11g, Saturated Fat: 6g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 2g, Cholesterol: 29mg, Sodium: 572mg, Potassium: 1135mg, Fiber: 4g, Sugar: 5g

Tried this recipe?Mention @EverydayDishes or tag #everydaydishes!

The Best Spinach Gratin Recipe Ever - Everyday Dishes (4)

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originally published on Aug 17, 2015 (last updated Oct 26, 2023)

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14 comments on “Spinach Gratin”

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  1. Carole Nickell

    Spinach with a cheese topping. A wonderful way to get my veggies.ww

  2. Carole Nickell

    Wordle gets my day off to a good start. I love it!

  3. Karren Gervasio

    10 oz package is equal to one pound fresh spinach.

  4. Lauren

    Does this translate well if made the night before and baked the next day?

  5. Patti H Lee

    Any info regarding amount of fresh spinach vs frozen

  6. Cindi

    Great recipe, next time I will cut the salt in half.

  7. Linda Peterson

    Can this be frozen?

  8. Sherell

    I loved this recipe. It was a great side dish for Thanksgiving. This recipe is a keeper. ❤️

  9. Lois Thompson

    Got rave reviews on this at Thanksgiving dinner!
    Will make again.

  10. Nicole Rushton

    This meal was the favorite of our Thanksgiving meal. Everyone loved it!

  11. Reagan

    How much fresh spinach should I use?

  12. Karin L Wiles

    I made it a day ahead to save time but I had to taste it. So good! I think it’ll be a hit as a Thanksgiving side dish.

  13. Terri

    I’d like to use fresh spinach. How much should I use?

  14. Allie

    How much spinach should I use if I want to use fresh spinach?

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The Best Spinach Gratin Recipe Ever - Everyday Dishes (2024)

FAQs

What makes a gratin a gratin? ›

What Does “Au Gratin” Mean? A “gratin” is any dish that is topped with cheese or breadcrumbs mixed with butter, then heated in the oven or under the broiler until brown and crispy, according to The Food Lover's Companion. The term au gratin or gratinée just refers to anything prepared in that manner.

What happens when you add lemon juice to spinach? ›

The science behind this pairing is simple yet profound. While spinach's oxalic acid may inhibit iron absorption, the addition of vitamin C from lemon juice helps convert iron to a more absorbable form, facilitating its uptake by the body.

What's the healthiest way to cook spinach? ›

For maximum vitamin retention, use quick-cooking methods that do not include water, such as sauteing, stir-frying or blanching, to reduce the amount of nutrients lost from cooking.”

What is a substitute for cream in gratin? ›

Fortunately, you can still make a delicious gratin dauphinoise without cream. Substitute fat-free or non-dairy milk, a small amount of light butter, and plenty of herbs and spices so you wind up with a tasty dish that you don't have to feel guilty about eating.

Is gratin unhealthy? ›

One serving of this creamy potato side dish will provide you with half your daily value of vitamin C, almost a quarter of your daily value of fiber, and some calcium and iron.

How deep should a gratin dish be? ›

Butter a gratin dish (which should be long and large and about 5 cm (2 in) deep) and sprinkle 2 chopped garlic slices on the bottom, a pinch of salt and pepper and more nutmeg.

Is it better to steam or boil spinach? ›

Thankfully, there are ways to eat the veggie without giving up taste or nutrition. Instead of boiling spinach, Jessica Cording, R.D., suggests steaming or microwaving it so you get more nutritional value in every bite. She likes to keep baby spinach on-hand to add into smoothies, soups, or omelets.

How do you cook spinach so it's not gross? ›

It doesn't get much easier than this. Throw the spinach in the pan with a little garlic and olive oil, add some salt and pepper, and cook it, but not very much! We've all been victims of overcooked spinach, all olive green, slimy, and yucky looking. This is not Popeye's canned spinach.

Is it better to fry or boil spinach? ›

Generally, the best way to cook spinach is on the stovetop. Sautéing spinach is an especially quick and easy way to cook spinach, which also evaporates excess moisture in the leaves. However, you can also boil or steam spinach in just a few minutes.

How do you cook spinach so it's not slimy? ›

Once hot, add the butter and/or oil. It should melt and/or heat immediately. Quickly add the spinach and cook, stirring, until the spinach is wilted. The high heat and stirring will help any liquid the spinach releases evaporate quickly, which is what you want to avoid wet or slimy spinach when all is said and done.

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