Creamy Avocado Pasta
This creamy avocado pasta with basil and tomatoes is a 15-minute, no-cook-sauce spaghetti meal: ripe avocado is mashed with lemon, garlic, and olive oil into a silky dressing, then tossed with hot pasta and fresh tomato. It is gluten-free and vegan, it comes together in the time it takes the spaghetti to boil, and it tastes like much more effort than it actually is.
I will be honest about how this one came to life: it was one of those lazy weeks where I spent all my time with Costin, stayed indoors, and played computer games all day. I just love avocados, so why not use them as a creamy sauce for pasta? That is the whole idea here. No blender, no cooking the sauce, no dairy. Just a ripe avocado doing the work that cream usually does, and I made it vegan and gluten-free too.
The handful of ingredients you need
The avocado is everything here, so pick one that yields to gentle pressure but is not mushy. If it feels rock-hard, give it a couple of days on the counter; if it has soft dark spots, it will turn the sauce grey and bitter. The lemon juice does double duty — it brightens the flavor and keeps the mashed avocado from browning, so do not skip it. A single mashed garlic clove goes in raw, which gives a sharp little kick; mash it well so you do not bite into a strong piece. The fresh tomato should be chopped small and ripe, since it is the only juicy, fresh element cutting through the richness. The basil pesto is marked optional in the recipe, and it is — a few torn fresh basil leaves do the job beautifully on their own, but a spoonful of pesto deepens the herby side if you have some on hand.
How to get a silky sauce, not a grey paste
The trick with avocado pasta is timing and temperature. Mash the avocado with the lemon, garlic, olive oil, salt, and pepper while the pasta boils, so the sauce sits for as little time as possible before serving. Salt the boiling water generously — with such a simple sauce, well-seasoned pasta is what carries the dish. When you drain the spaghetti, toss it with the avocado mixture while it is still hot; the residual heat loosens the avocado and coats every strand, but do not actually cook the sauce, because heat turns avocado dull and slightly bitter. If the mixture feels too thick, a splash of the starchy pasta water will smooth it out without watering down the flavor. Avocado oxidizes fast, so this dish is at its best the moment it is mixed, which is exactly why it is built to be made and eaten right away.
What to serve it with
Because the sauce is rich and fresh at the same time, this pasta is happy as a light main on its own, but it also plays well next to other simple plates. If you want to lean into the tomato-and-basil theme, the oyster mushroom spaghetti with tomato and basil sauce makes a lovely companion dish for two people who cannot decide. For a starter, a light bowl of creamy peas soup keeps the meal green and gentle, and if you are leaning into an avocado day, my roundup of savory healthy avocado recipes has plenty of ideas to round things out.
Make-ahead and storage notes
This is not a meal-prep recipe, and I want to be straight about that: avocado browns quickly, so the sauce is meant to be made fresh and eaten the same day. If you do have leftovers, press a little extra lemon juice over the surface, cover tightly with the wrap touching the pasta to keep air out, and refrigerate for no more than a day — the color will dull but it will still taste good. You cannot really freeze it. The smart make-ahead move is to prep around the sauce instead: chop the tomato, juice the lemon, and mash the garlic in advance, then mash the avocado and combine everything only when the pasta is hot. If you love this kind of quick, fresh pasta, you might also enjoy my pasta with arugula pesto and capers or, for another no-cook avocado idea, the celeriac noodle salad with avocado mayo dressing.
If you make this creamy avocado pasta, I would love to know whether you went the simple fresh-basil route or stirred in a spoonful of pesto — leave a comment with your version and give the recipe a star rating so other avocado lovers know it is worth the five minutes.
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Creamy Avocado Pasta with Basil and Tomatoes | Gluten-Free!
Ingredients
- 150 g gluten-free spaghetti I used Schar spaghetti
- 1 avocado ripe, mashed
- ½ lemon juiced
- 1 clove garlic mashed
- 1 tomato chopped
- 2 Tbsps basil pesto optional
- 2 Tbsps olive oil
- a few fresh basil leaves
- sea salt and ground pepper to taste
Instructions
- Boil pasta following the instructions on the package (about 10 minutes + add salt in the boiling water).
- In a medium bowl mix mashed avocado, lemon juice, mashed garlic, chopped tomato, olive oil, salt, pepper and basil pesto or chopped basil leaves.
- When ready, add pasta.
- Mix and serve.
Frequently Asked Questions
Yes. As written, every ingredient is plant-based — avocado, lemon, garlic, tomato, olive oil, fresh basil, and basil pesto — so the dish is vegan. It is also gluten-free because it uses gluten-free spaghetti (the original used Schar). Just double-check that your pesto is dairy-free, since many store-bought pestos contain Parmesan.
The lemon juice in the recipe is your main defense — its acidity slows the browning. Make the sauce while the pasta boils so it sits for as little time as possible, and serve right away. If you have leftovers, press extra lemon over the surface and cover tightly with wrap touching the pasta to keep air out.
No, the pesto is optional. A few torn fresh basil leaves give plenty of herby flavor on their own, which is how the recipe is built to work. A spoonful of pesto simply deepens the basil note and adds a little extra richness if you happen to have some on hand.
Not really — avocado oxidizes quickly, so this dish is best made fresh and eaten the same day. The smart shortcut is to chop the tomato, juice the lemon, and mash the garlic in advance, then mash the avocado and toss everything together only once the pasta is hot.
No. You toss the mashed avocado mixture with hot, freshly drained pasta so the residual heat warms and loosens it, but you should not cook the sauce. Heating avocado directly turns it dull in color and slightly bitter, so the off-heat toss keeps it creamy and fresh-tasting.
Choose one that yields to gentle pressure but is not mushy — that is a perfectly ripe avocado that will mash into a smooth sauce. A rock-hard avocado needs a couple more days on the counter, while one with soft dark spots will make the sauce grey and bitter.
I loved this recipe! I never know what to do with avocado except put it on toast or make dip. This was absolutely gorgeous, so glad I found it!
So glad you liked it, Leah! 😀 You should try my vegan enchiladas recipe too. It has a delicious avocado sauce. 🙂
I made it tonight and both my husband and I enjoyed it so much! We truly thankful for finding it. This is one of the receipts that going to made here on a weekly basis 🙂
I’m so glad to hear that you liked it! 😀 It’s one of my favs too! 😛
Plan to make this tonight, do i serve it cold?
It’s good cold as well, but I prefer it warm. I combine the sauce with the pasta, just after the pasta is boiled. So the pasta will be hot and the cold sauce makes it just perfect to eat. 🙂