Spinach Souffle was a childhood favorite. My mom’s recipe with Velveeta is now made with sharp cheddar! A holiday tradition at our house!

This spinach casserole is always on our holiday menu! Add leftover Easter ham for a yummy entree or just serve as-is for a vegetarian meal.

Spinach Souffle in a white casserole dish

Why You Should Make Spinach Souffle

  • This super easy spinach souffle is a treasured recipe from my childhood. I almost hate to admit that my mom’s version used a processed cheese spread, AKA Velveeta, and I adored it!  Fast forward a few years and I found a similar recipe in our local Junior League cookbook, Winners, but with an upgrade of cheeses to a lovely sharp cheddar.
  • Surprisingly, my vegetable-avoiding daughter loves this spinach souffle.  Spinach is the only veggie that Katie will eat, and it was this casserole that sold her. That tells you something right there!
  • Even if you don’t like cottage cheese, you won’t even see or taste it in this recipe. It’s delicious!

Dishes like A Spicy Perspective’s Spinach Artichoke Egg Casserole and this super easy spinach souffle can be eaten for any meal.  Mainly a side dish at our house, it’s also a wonderful meatless entree, and who doesn’t love an eggy cheese dish for breakfast? If you’ve been a fan of Stouffer’s Spinach Souffle, it’s time you make this even better recipe from scratch!

Delicious Holiday Side Dish

You can add ham for an entree (perfect with Easter ham leftovers), but we generally make it without, and it graces our table for nearly every holiday meal. If you’re looking for a cheesy side dish for your Thanksgiving or any one of your holiday celebrations, give this spinach casserole AKA spinach souffle a try.

Overhead view of a small white bowl filled with spinach souffle next to a bamboo handle fork

How to Make Spinach Souffle

Not officially a “souffle” as the eggs are added whole instead of the whites whipped, then folded in. But that’s the title of my mom’s dish from back in the ’60s or ’70s, so there you go!

  1. This is such a simple recipe, just defrost two boxes of frozen chopped spinach overnight in the fridge. Set on the counter for an hour or so if the spinach is still icy the next morning.
  2. Next, squeeze the spinach very dry as any excess water will make this spinach casserole watery. I like using a potato ricer, but the hubby (my dishwasher) cringes when he sees little all the little bits of spinach he has to clean!
  3. You can also use your hands and squeeze out the liquid manually. This is my usual method.
  4. After that, you simply mix the spinach with eggs, cottage cheese (look for “old-fashioned” which has a smaller curd and is creamier), a couple of tablespoons of flour, chunks of cheddar, some butter, and a wee bit of salt.
  5. Pour into a greased casserole and bake. When I had only one oven, I slid it in with the turkey at Thanksgiving. If you’re doing this and the oven is not set at 350 degrees, just adjust the baking time.
  6. My oldest loves when I make this after Easter and add chunks of ham. Just reduce the salt a bit as the ham will add more saltiness to this dish. It then can be an entree instead of a side dish. It would also make a terrific brunch casserole!

Frequently Asked Questions

Can You Make This Spinach Casserole Ahead of Time?

Yes, I often make it in the morning I’m going to serve it for dinner. Store the casserole in the refrigerator, covered with plastic wrap. Pull it out of the refrigerator while you preheat the oven, but it will still need extra time to bake as it will be colder than if freshly made.

How Long Can You Keep Spinach Souffle?

Like most dishes, leftovers can be kept covered in the refrigerator for up to 3 days. This is as long as it has not been left out at room temperature for more than 2 hours. Since Stouffer’s Spinach Souffle is a frozen product, it’s pretty safe to say that leftovers can be frozen for up to 3 months in an airtight container. But I have not tested this myself.

What is the Culinary Definition of a Souffle?

According to my Food Lover’s Companion, a souffle (prounounced soo-FLAY) “is a light, airy mixture that usually begins with a thick egg yolk based sauce or puree that is lightened my stiffly beaten egg whites.”

Overhead view of a spinach casserole in a round white ceramic baking dish

Variations on Spinach Souffle

  • Sprinkle some cheese on top during the last few minutes of baking. A little gooey topping is always a bonus!
  • I like using sharp cheddar cheese, but mozzarella or Monterey jack would also be good choices.
  • Want some additional flavor? Feel free to add a pinch or two of red pepper flakes for some heat. Nutmeg is a classic spice added to spinach dishes, so a few grates of fresh nutmeg or a pinch or two of ground nutmeg would taste terrific. A little goes a long way, though, so don’t overdo it!
  • Watching your carbs? Swap out the flour for almond flour for a low-carb side or even entree.
  • As mentioned above, you can add 2 cups of chopped ham (great for Easter leftovers) and mix to combine. Since the ham is salty, don’t add any salt to the recipe.

More Thanksgiving Recipes You’ll Love:

Note: I like to use the 8-ounce block of Kraft Sharp Cheddar in this recipe. So easy to find at any supermarket and it melts like a dream. As mentioned above, look for “old fashioned” cottage cheese instead of large curd or small curd. Small curd will work in a pinch.

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Spinach Souffle Recipe

Spinach Souffle Recipe

Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Yield 8 servings

An updated favorite from my childhood, this easy spinach souffle is perfect for the holidays!


  • 6 eggs, beaten
  • 2 tablespoons butter, cubed
  • 8 ounces sharp cheddar cheese, cubed (I use Kraft sharp cheddar)
  • 24 ounces cream style, small curd cottage cheese (or "old fashioned" cottage cheese)
  • 2 10-ounce packages frozen, chopped spinach, thawed and squeezed dry
  • 2 tablespoons flour
  • 1 teaspoon salt


  1. Preheat oven to 350º. Grease 9 x 13 or comparable casserole dish.
  2. Combine all ingredients and pour into prepared dish. Bake 30-45 minutes or till middle is set.


Adapted from Winners, Junior League cookbook from Indianapolis.
You may also add 2 cups of chopped ham. Just reduce the salt if you do. Perfect for leftover Easter ham.

Nutrition Information:



Serving Size:


Amount Per Serving: Calories: 545Total Fat: 50gSaturated Fat: 30gTrans Fat: 2gUnsaturated Fat: 16gCholesterol: 280mgSodium: 653mgCarbohydrates: 9gFiber: 2gSugar: 4gProtein: 18g


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