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

Can you make Ina Garten's spinach gratin ahead of time? ›

Make it a day ahead, cover, refrigerate and bake while the turkey is resting. Garten told me she keeps Thanksgiving as traditional as possible.

How do you use too much spinach? ›

  1. Pesto.
  2. Spinach Cheese Bake.
  3. Spanakopita.
  4. Spinach paneer.
  5. Lasagna.
  6. Curried lentils with spinach.
  7. Calzones.
  8. Dip.

Do you have to dry spinach before cooking? ›

In contrast, loose spinach needs thorough washing in a colander to remove dirt and grit. Shake the excess water off (if you plan to stir-fry it or eat it raw in a salad, you should pat it dry with kitchen paper, too).

How do you make spinach not soggy? ›

How do you make spinach less soggy? First, wash and rinse well then use a salad spinner to remove excess water or lay out flat and towel dry. Water is the biggest killer of spinach flavor. If you're going to eat it raw, you're done.

Why can't you eat spinach every day? ›

What's bad about spinach? If you eat spinach every day in excessive amounts (more than a bowl) there can be adverse health effects. Most commonly these include gas, bloating and cramps due to its high fiber content. Eating too much spinach can also interfere with the body's ability to absorb nutrients.

What to avoid with spinach? ›

Vitamin K: An individual must not consume spinach if they are taking anti-coagulating medicines (blood thinners) such as warfarin. Spinach is very high in vitamin K, and this nutrient may react with the anticoagulant drug and significantly affect its action and effect on other coagulating factors present in the blood.

Why can't you heat up spinach? ›

Every time you reheat spinach or other veggies that are rich in nitrates, they become increasingly toxic. Here's the deal on those spuds.

Can you make Ina Garten potato fennel gratin ahead? ›

Ina Garten Is Ditching Mashed Potatoes for This 5-Ingredient, Make-Ahead Thanksgiving Recipe. The best part (well, besides all the cheese)? You can prep it a day in advance.

Can you make au gratin potatoes ahead and reheat? ›

You can absolutely make these cheesy au gratin potatoes up to three days ahead of time! Simply pour the sauce over the potatoes as directed, then cover the pan with foil and instead of baking, place in the fridge until ready to bake.

Can scalloped potatoes be refrigerated before cooking? ›

These scalloped potatoes can be made ahead. You can assemble the dish and refrigerate for about 8 hours before baking, or you can bake it and refrigerate for about 24 hours before serving.

Can scalloped potatoes be made a day ahead and reheated? ›

Prepare the recipe as directed, then let it cool to room temperature. Cover the baking dish tightly with aluminum foil, then store in the refrigerator for up to 3 days. If the recipe has cheese, breadcrumbs, herbs, or any other toppings, reserve it and add it before reheating.

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