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Cheesy Spinach Casserole Recipe

This quick and delish spinach casserole recipe is made with Boursin cheese, which gives this easy spinach dish lots of pizazz!

Call me a rebel, but this year I’m making a cheesy spinach casserole recipe.

Forget the green bean casserole, this frozen spinach cheesy casserole can be made ahead.

Nope, no fresh spinach in this casserole.

No boiling green beans, just use the thawed spinach, squeezed of all excess water.

(That’s the only important thing you need to remember, because no one wants a runny casserole!)

You could use cream cheese, but I flavor mine with Boursin garlic herb cheese.

Yeah. SO worth it!

If you don’t have Boursin and choose to use cream cheese, flavor this up with some Italian seasoning or whatever your faves are.

If you can saute some onions and garlic in butter, not olive oil, and manage to turn the oven to bake, you’ve got this made!

This creamed spinach casserole is worthy of any steakhouse, as it is one delicious side dish.

Spinach Casserole Recipe on white plate

Leftover spinach casserole can be used up in the morning when topped with a fried egg and then wow, you have a great breakfast, too.

The topping can be made with Ritz crackers or crispy breadcrumbs or even those fried onions.

Add a bit of parmesan cheese and some heavy cream and no one will be thinking about hmmm- that no-name casserole.

I’m not saying this is a healthy spinach casserole. We’ll leave that for another day.

This is one easy dish that can be made ahead and topped with your favorite toppings when ready to bake.

Just cover with plastic wrap and place in the fridge until ready to bake.

A good tip is to bring it to room temperature before baking.

I also wouldn’t make it in a cast-iron skillet if baking the next day.

Even Manservant ate this and Manservant is only known to eat spinach in a salad.

I mean you don’t even have to have a prepared baking dish for this great side dish.

Just spoon it in and you are good to go.

Of course, you could forget the extra dish and just make it in a cast iron pan and bake in that.

Yep. A one-pan wonder!

This easy spinach recipe only has 11 ingredients and that includes salt and black pepper.

Want to make this a main dish?

Serve it with some grilled chicken breasts and I bet I know what would disappear first!

I love easy recipes and this is a great way to serve chopped spinach.

Leftovers can be kept in an airtight container.

How to Make This Spinach Casserole Recipe:

Melt butter over medium heat.

Add the chopped onions and garlic and cook until soft.

Reduce heat to medium-low. Add the cheese and stir 1 to 2 minutes until it is melted.

Stir in squeezed chopped spinach and 1/4 c of the parmesan.

Stir in cream. Spoon spinach mixture into a casserole dish.

Top with Panko bread crumbs, cracker crumbs and the rest of the parmesan to make a crunchy topping.

This hearty, easy spinach casserole is then baked to golden brown perfection.

Do yourself a favor. Can the cream of mushroom soup.

Make this cheesy baked spinach casserole.

Slice into squares or spoon onto plate?

I know this seems silly to think about, but if you are making something in layers, then slice and serve with a spatula-so it looks pretty. After all, it takes time to layer.

If this is a simple dish then just use a serving spoon and scoop-which is what I did.

Everyone will love this spinach casserole recipe and it will save you so much time.

That way you can devote yourself to dessert!

Other Ideas:

Jiffy Baked Corn Casserole

Jiffy Corn Casserole

Spinach Salad with Za’atar, Dates and Almonds

spinach salad with za'atar

Artichoke and Pea Gratin

artichoke and pea gratin

Just a note: This Emile Henry is one of my favorite baking dishes. Please note that this is an affiliate link and I may or may not be paid a small commission at no cost to you.

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spinach casserole recipe in white oval baker and served on a white plate

Spinach Casserole Recipe

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  • Author: Abbe Odenwalder
  • Prep Time: 15 Minutes
  • Cook Time: 15 Minutes
  • Total Time: 30 minutes
  • Yield: 4 - 6 Servings 1x
  • Category: Side Dish
  • Cuisine: American


This quick and delish spinach casserole recipe is made with Boursin cheese which gives this easy spinach dish lots of pizazz!


Units Scale

3 T unsalted butter

1 chopped onion

4 t minced garlic

1 5.2 oz pkg herb and garlic souft Boursin cheese

1/2 t kosher salt or to taste

1/2 t fresh ground black pepper

1/4 t fresh ground nutmeg

1 16 oz package frozen, chopped spinach, thawed and squeezed dry

1/2 c fresh grated Parmesan cheese (divided in half)

1/2 c heavy cream

8 Ritz crackers crushed or Fried Onions or Panko Crumbs


Preheat oven to 400 with a rack in the middle of the oven.

Melt butter in a cast iron skillet or a regular skillet over medium heat.

Add onion and garlic and stir until soft, about 6 minutes.

Reduce heat to medium-low. Add soft cheese, salt, pepper and nutmeg and stir until cheese is melted. Stir in squeezed spinach and 1/4 c Parmesan cheese. Add cream and stir well.

If you are using cast iron and baking immediately, sprinkle with cracker crumbs and Parmesan. Bake until golden about 10 to 15 minutes.

If you are not using an oven-safe pan transfer to a 7 x 10″ pan and follow baking instructions above.


Thanks Real Simple for this great recipe.

Spinach mixture can be made up to 2 days in advance and refrigerate in baking dish. Top with cracker and Parmesan before baking.

Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star

Lynn Dumais

Monday 20th of November 2023

This sounds delicious. How much heavy cream do you add? I didn’t see it on the ingredients.


Monday 20th of November 2023

I just added it! Thanks! I could use a proof reader like you! 1/2 c is what you need. Enjoy!

Chef Mimi

Friday 11th of November 2022

What a great idea! and Boursin isn’t strong enough to conflict with other flavors on the Thanksgiving table. Just a little garlic and herbs. Fabulous.