The Easiest Spinach Lasagna

10 Reviews / 5 Average
This Spinach Lasagna recipe is here to stay because my family devoured it for both dinner and lunch. I could not taste any frozen flavors from the spinach. It's super easy to make and only takes about 15 minutes to prep before placing it in the oven.
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The Easiest Spinach Lasagna recipe on a plate

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Okay, so I admit it. Frozen spinach is super convenient to use in recipes, but I can sometimes taste the difference between frozen and fresh (and I don’t mean in a good way). So I was pleasantly surprised when I recently tried mixing it directly into the cheesy goodness of this Spinach Lasagna dish and seriously could not taste any frozen flavors AT ALL. Not one bit.

Spinach Lasagna Recipe

I don’t know if it was the cheese or maybe even the brand of spinach I bought, but either way – this recipe is here to stay because my family devoured it for both dinner and lunch the next day. Leftovers are the best when you’re cooking everything from scratch!

The best part about this recipe? It’s a freezer friendly family meal you can heat to serve when you need it!

How to Cook This Spinach Lasagna From Frozen

Prepping this as an easy freezer meal idea can save you some much needed time in the evening! If you want to cook it from frozen, simply follow steps 1-4 in the spinach lasagna recipe below, cover and place in the freezer. You can safely leave it there for several days until you’re ready to bake it.

Once you’re ready to throw it in the oven, cover the top of the baking dish with tin foil and bake it at 375F until it’s heated all the way through.

Use Frozen Spinach to Save Even More Time!

Frozen produce like what’s used in this recipe is super nutritious since it’s picked at the peak of freshness, and it will also go easy on your wallet. Because of how this recipe comes together, frozen spinach blends well and hardly tastes different from using the fresh ingredient. For more ideas on how to incorporate frozen fruits and veggies into your routine, check out my recent list of 8 ideas for inspiration. Or, try this Lasagna Without Ricotta!

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57 thoughts on “The Easiest Spinach Lasagna”

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Recipe Rating

  1. 5 stars
    Seriously the best lasagna I’ve ever made! Changed the green pepper for an orange one (because I don’t like the green ones), but otherwise followed recipe exactly. Quick & easy to prepare. I told my kids the green stuff was just “seasoning” and they didn’t know it was spinach until it was all devoured & I told them. Will definitely make again.

  2. Making this for a friend with a new baby. I’m going to freeze it BEFORE cooking it. How long would you suggest cooking it from frozen?

    1. 100 Days Admin

      Hi there. We recommend cooking before freezing. Then cover with foil and reheat at 375 until heated through. – Nicole

  3. Sounds delicious! My family doesn’t love ricotta cheese so I usually replace it with cottage cheese in other lasagnas. Do you think that will ruin this recipe?

  4. Delicious! I saw you make this recipe on GMA. I used a smaller dish since I always make too much and then the leftovers go to waste. I also used the no bake lasagna noodles (from Trader Joe’s) and was really impressed with how easy everything came together. And it was inexpensive. I’ll be looking forward to making more of your recipes.
    Thanks – Julie

  5. How long would this need to be in the oven if I used regular lasagna noodles that needed to be boiled? I had a hard time finding whole wheat no boil lasagna locally.

  6. 5 stars
    Great flavor and a “lighter” lasagna. My husband was skeptical at first but enjoyed it! Thank you for the recipe.

  7. I will be freezing this recipe after cooking it. How long must I re-heat the spinach and at what temperature? I’m making this recipe tomorrow afternoon

  8. If your store here in the States sells it, look for Sno-Pac frozen vegetables. Their frozen, chopped spinach is not frozen into a compressed brick that takes forever to thaw (if you’re like me and forget to take it out the night before). I like that it’s “loose” in the bag and thaws much faster. Plus, Sno-Pac is a local/regional company for me. And yes, they’re organic if that’s important to you.

  9. The idea of 1 veg lasagna is good but…honest!! Far too much cheese,therefore fat,then the goodness of the spinach is minimum

  10. I was wondering if anyone has tried freezing this lasagna? I’m looking for easy freezer recipes and I thought this might be a good one. If you freeze it, would you cook it first and then freeze it, or freeze it uncooked? If it was uncooked approximately how long might I expect to have to cook it for when I take it out of the freezer? Thanks!

  11. 5 stars
    I made this for our family and everyone enjoyed it. I have never made a lasagna because I always thought it would be so work intensive. It wasn’t at all. This lasagna will be a definite go to recipe. Thanks!

  12. Would you make any adjustments to this recipe if you were using fresh spinach?
    Any idea how much to use?

    1. Amy Taylor (comment moderator)

      Hi. I would saute the spinach before adding it, otherwise the moisture from the uncooked spinach will effect the outcome of the dish.

  13. 5 stars
    I made this tonight for dinner and my whole family, including kids age 8 and 10, absolutely loved it. Not to mention, it was so easy to make! Thanks for making dinner a snap tonight!

  14. Thanks for the link to the lasagna noodles! I’ve often wondered if there were whole wheat no-boil lasagna noodles – there certainly aren’t any at my WFM – so I wasn’t sure they even existed! But now I will be on the lookout for them. :)

  15. I’ve read that spinach is actually more nutritious if it’s eaten cooked rather than raw. I’m going to have to try this.

    1. They had it where I shop – Earth Fare. I’m pretty sure I’ve seen it at our mainstream grocery store as well (Harris Teeter owned by Kroger).

  16. 5 stars
    I have a great recipe that doesn’t use noodle at all! Organic lean ground beef, and spinach as the noodles! Tastes EXACTLY like lasagna!
    Love your recipes :)

  17. I made this tonight and the only modification I made was I used homemade sauce. It was perfect! Not too heavy as I find with most lasagne recipes. Five stars from this family of five. We love so many of your recipes, thank you!

  18. Lisa, I think it’s the cheese… Cheese congeals the extra liquid from frozen spinach and leaves no frozen flavor. I make lasagna from scratch, but I make my marinara (red) sauce from scratch, and sometimes even pasta sheets. But, it is more time consuming that way.

  19. I’m excited to try this recipe! My husband was just saying he wanted lasagna for dinner soon! I agree with you about the taste of frozen spinach. In the past couple of years, I have started buying fresh spinach and freezing it in gallon ziplocs. I don’t do anything to it other than wash, dry, and freeze (or freeze the pre-washed stuff from the bags). It’s great to have on hand to throw into things like smoothies, eggs, and pasta and it’s really easy to chop once it’s frozen so it takes maybe 30 seconds. It’s also a great way to preserve spinach if I buy more than I can use before it goes bad – much less wasted wilted spinach!

      1. Hi Amy :). Have you or Lisa seen/tried the “creamy cauliflower sauce” from Tiffany @ Dontwastethecrumbs? Half of my kiddos protest meals with ricotta cheese so I slipped that into a baked pasta dish the other night and I was astounded at how fast it all disappeared.

      2. Please could u post the creamy cauli sauce? Unable to find it. I know it’s not Lisa’s but I think she would not mind. I am elderly and this is as far as I can connect online. Thank u!

      3. It’s not so much a recipe as: steam a chopped head of cauliflower, puree it (add steamed water or milk to thin if needed), and seasonings as desired. I added butter and garlic to mine before I added it as a “sauce” to my pasta dish. I think I’ll do it again for this spinach lasagna since I happen to have another head, but no ricotta cheese :D