A lentil frittata is a flavorful and nutrient-dense take on the classic Italian-inspired dish. Frittatas have long been a brunch favorite, known for their versatility and ability to transform simple ingredients into a hearty, satisfying meal. By adding lentils, this version gets a boost of plant-based protein and fiber, making it an excellent choice for those looking for a wholesome, filling breakfast or a light, balanced lunch.
Lentils bring a subtle earthiness to the frittata, complementing the richness of eggs and pairing beautifully with vegetables, herbs, and cheese. Their hearty texture makes each bite more satisfying, while also adding essential nutrients like iron and folate. This twist not only appeals to vegetarians but also to anyone seeking to incorporate more legumes into their diet without sacrificing flavor or comfort.
The beauty of a lentil frittata lies in its adaptability. You can use green, brown, or even red lentils, depending on the texture you prefer. Pair them with fresh vegetables like spinach, tomatoes, bell peppers, or mushrooms, and finish with a sprinkle of your favorite cheese for a creamy, savory touch. Herbs like parsley, basil, or thyme can add brightness and elevate the dish even further.
This meal is also ideal for meal prep. Frittatas are known for being delicious served warm, at room temperature, or even chilled, which means you can bake one at the start of the week and enjoy it for several days. Slices can be packed for a quick work lunch, a healthy snack, or an easy breakfast on the go.
In addition to being practical, a lentil frittata is an elegant option for entertaining. It’s easy to make in a single skillet yet impressive enough to serve at a brunch gathering or dinner party. Pair it with a crisp salad or crusty bread, and you have a complete, balanced meal.
Whether you’re exploring plant-based cooking or simply want to bring a twist to a classic dish, a lentil frittata offers flavor, nutrition, and versatility in one beautiful, protein-packed dish.

Ingredients
- 1 cup cooked lentils you can use canned or freshly cooked
- 4 large eggs
- 1 cup baby spinach fresh
- 1/2 cup bell pepper diced
- 1/4 cup onion chopped
- 1/4 cup milk dairy or non-dairy
- 1 tbsp olive oil
- to taste salt and pepper
Instructions
- Preheat the oven to 375°F (190°C).
- In a large bowl, whisk the eggs and milk together. Season with salt and pepper.
- Stir in the cooked lentils, spinach, bell pepper, and onion.
- Heat olive oil in an oven-safe skillet over medium heat.
- Pour the egg mixture into the skillet and cook for about 5 minutes, until the edges begin to set.
- Transfer the skillet to the preheated oven and bake for 25 minutes, or until the frittata is fully set and golden on top.
- Remove from the oven and let it cool slightly before slicing and serving.
Nutrition










Too complicated! Why do we need 7 steps? Just scramble the eggs and be done.
I dunno, it sounds kinda weird to put lentils in a frittata. Eggs should just be eggs, man.
Me and my kids loved it! Even my picky eater tried it and said it was ‘not bad’. 😂
Super easy recipe! I doubled the spinach and it turned out fine. Will make again.
This lentil frittata is absolutely delicious! The flavors really come together and it makes for a great breakfast option.
I don’t know what went wrong, but mine turned out very soggy. Maybe I used too much milk? Not sure I’ll try again.
I’m skeptical of anything called a frittata in the oven—aren’t they usually like… more delicate? But this was surprisingly good and sliceable.
Hmm… i think i overbaked. Still eatable tho.
Great recipe! I used leftover veggies and it worked out great. Will make again.
This frittata is amazing! I made it for breakfast and everyone loved it. Will definitely make again!
Can I use black beans instead of lentils? I don’t have any lentils. Also, what if I skip the onion?
Why would you put lentils in eggs? Sounds funky.
Super easy to make! Perfect for my busy mornings. Thanks!
Glad you enjoyed it! It’s really a lifesaver for busy days. 😊
This frittata is sooo good! I added some cheese and it was fantastic! 😍
I love that you added cheese! It must have made it even creamier! I should try that next time. 😊
Cheese? That sounds kinda gross to me. Frittata with cheese? 🤔 I’m not convinced that’s a good idea.
Made this for breakfast and it came out super hearty. I used canned lentils and they worked great—just drained them well. Spinach made it feel fancy without much effort.
I tried it but mine didn’t get “golden” at all, more like pale and kinda wet in the middle. I baked it the full 25 mins at 375 tho. Maybe my oven runs cold? Still tasty, just not pretty.
Yes! I made it this morning too—so filling. I used canned lentils as well and agree, draining them really helps. The spinach + peppers make it feel like “brunch” somehow 😄
I tried it but it was kinda yucky. Just stick with normal frittatas.
So easy and healthy! I added some cheese on top and it was really tasty! 😍
I subbed feta for the milk and it was 🔥. Also used frozen spinach, squeezed it dry first. 10/10 brunch idea.
I was skeptical about lentils in a frittata, but it turned out decent!
Um, lentils in eggs? Not convinced. Thought it’d be gross, but it was okay. 3 stars for effort.
I was skeptical too, but lentils in eggs is actually pretty tasty! Surprised me too! 😄
Made this for breakfast. Very filling and healthy, but I used frozen spinach and it turned out watery.
Looks good! Can’t wait to try it.
Yum! 🤤 My kids loved it so much, we’re gonna make it every week! Perfect for breakfast.
That’s awesome to hear! Kids love anything they can help make. Do you think they would enjoy adding different veggies next time? 🥕
This was surprisingly good! I didn’t think lentils would work in a frittata but wow, I’m impressed!
I know, right? I was skeptical too, but it’s so tasty! Lentils in frittatas are a game changer! ✨
Really? Lentils in a frittata? Sounds odd, but maybe I’ll give it a try. 😕
Lentils in a frittata? Sounds weird to me. I think I’ll stick to my usual recipes.
Lentils in frittata? Who came up with this? Not a fan, sorry.
Not bad, but I wouldn’t make it for guests. It’s very… umm… unique.
wtf! This recipe is soooo good!!
Right? I can’t believe how simple it is to make too! 🤤
I dont know man, lentils in eggs sounds kinda weird. Are you sure it’s good? 🤔
Super easy and healthy! 👌
Nice and easy recipe. I used almond milk, tasted fine to me. 😊
Almond milk? Really? Isn’t it supposed to be dairy? 🤔
That sounds really good! I might try it with coconut milk next time for a different flavor. 😊
Ew. Who puts lentils in breakfast? Yuck! No thanks.
Pretty good! My kids liked it. I chopped some tomatoes and threw ’em in too! 😋
I was really skeptical about lentils in a frittata. But wow, it’s surprisingly good! Will definitely make again.
Just wow! I love it! My kids ate it without fussing, and that’s a win in my book!
I followed the recipe to the letter but it didn’t cook all the way through. What did I do wrong? 😕
Did you make sure the oven was really at 375°F? Sometimes ovens can be off by a lot. I had issues like that too. Good luck! 👍
Maybe it wasn’t cooked long enough in the oven? My frittatas always take longer than the recipe says. Just give it a bit more time next time!
Lentils and eggs? Sounds weird but tasted okay. I won’t be making it again though.
This was delicious! I added some cheese on top for extra flavor. Will make again!
Glad you liked it! Cheese makes everything better. Next time, try adding some herbs too!
I found this recipe a bit bland. Maybe add some cheese next time?
I agree, it could use some cheese for more flavor! I usually add feta for a nice twist.
Bland? Really? I thought it was great! Maybe you should try seasoning more?
Easy peasy! I didn’t have bell peppers, so I used zucchini instead. Still turned out great! Thanks for sharing!
Only 1 cup of lentils? I used 2 cups and it turned out great. More lentils, more flavor!
That’s interesting! I wonder if adding more lentils changes the cooking time or texture. Guess I’ll have to try it your way sometime! Thanks!
My oven runs hot, so 25 minutes was too long—edges got a little dry. Flavor was still good. Watch your bake time!
As a vegetarian, I love that this feels like a real meal, not just a “healthy” side. Would add garlic next time.
This lentil frittata was super easy to make! I added some cheese on top, and it turned out delicious. Definitely a keeper!
This was super quick. I used canned lentils and it worked. I’m not even a good cook and it came out fine.
Love hearing that! Canned lentils are totally the move—this recipe is super forgiving. Did you drain/rinse them first?
It was ok but kinda bland. I think it needs more seasoning or something. Not my fav.
I totally agree! I added garlic powder and it made a huge difference. Seasoning is key in recipes like this.
I followed the recipe step by step and it turned out great! Only thing, my oven took forever to bake.
Glad to hear it turned out well for you! Ovens can be so unpredictable sometimes.
Mine burned! I think ovens are all different, so gotta keep an eye on it.
Made this last night—so easy and way more filling than I expected. The lentils make it hearty, and the spinach stays nice. I baked it closer to 28 minutes just to be safe.
Yummm! Satisfying and nutritious! 👍
I don’t get why you cook it in the oven at all—couldn’t you just scramble it? I tried and it still tasted fine, but the texture was kind of like an omelet cake? Maybe I did something wrong.
I followed the recipe exactly but my frittata turned out kind of eggy and bland. Could be my salt? Might need more pepper or herbs.
That happens sometimes—375°F is fine, but 25 minutes can vary a lot by pan depth and how much moisture the lentils/spinach have. I’d try salting a bit more and adding pepper right into the egg mix. Also, squeeze the spinach if it’s wet and sauté the onion/pepper a couple minutes first so it doesn’t go bland.
It’s just eggs and vegetables, why call it a frittata? Kinda lame. But tasted fine.
I think it’s great! Frittata or not, it’s all about the taste. And this sounds delicious. Who cares what it’s called!
But eggs and veggies ain’t fancy. Just call it what it is. I wouldn’t pay much for it. Still, if it tastes good, that’s what matters.
This is just like a quiche without crust, right? I LOVE it!
I don’t know about that. Where’s the flavor? I think a frittata should have a crust!
Exactly! It’s like a crustless quiche, great for a quick meal. I’m glad you love it!
Not sure about the 5 minutes on the stove—mine just looked runny. I think my skillet was too cool. Still ended up set in the oven though.
Pretty solid. Mine didn’t get “golden on top” as much, but it still tasted great. Next time I’ll sauté the onion/pepper a bit longer for more flavor.
Yum! Added some feta and it was delicious! Will def make again.
I burnt mine! 😂 but I still ate it, it was crunchy. I’ll try again…
Burnt? Really? How do you burn a frittata? Just follow the steps, it’s not that hard! 🤔
Haha, crunchy sounds like a fun twist! Next time just keep an eye on it. I hope the next one turns out better! 😊
Way too eggy for me. I followed everything exactly but it didn’t have enough seasoning—salt and pepper only is not enough in my opinion. Needs garlic or cheese or something.
I don’t get why people put lentils in a frittata. Seems weird. Might stick to the classic egg dishes.
Not my favorite recipe. The flavor was a bit bland and the texture was weird. I think I prefer my frittatas without lentils.
I’m not a fan of lentils and this didn’t change my mind. Just felt weird.
Pretty tasty, but my edges got a little too brown at 375°F. Next time I’ll check around 20 minutes and maybe cover it loosely with foil. Still a solid protein meal though.
This frittata is a game changer! So tasty and healthy. I added some feta cheese, and it was divine!