4-Ingredient Creamy Vegan Pasta

This creamy vegan pasta gets its velvety texture from blended raw cashews, not dairy or processed substitutes. It’s rich, savory, and ready in about 20 minutes with just four core ingredients.

The sauce coats every noodle without separating, and it tastes like you spent an hour on it. I make this for weeknights when I want something that feels a little special but doesn’t demand much from me.

What Makes This Pasta So Creamy

Raw cashews are the secret. They blend into a silky, dairy-free cream that clings to pasta and tastes deeply savory thanks to nutritional yeast and garlic.

The sauce is warm, nutty, and bright from a squeeze of lemon. No one will miss the cheese, and you won’t even need to soak the cashews if you have a high-speed blender.

It’s the kind of recipe I keep in my back pocket for guests, lazy Sundays, and any night I want dinner to feel like a treat without a pile of dishes.

Ingredients

• 1 cup raw cashews: unsalted, not roasted. See the note in the recipe below about soaking for non-high-speed blenders.
• 1 garlic clove: peeled.
• 2 tablespoons nutritional yeast: gives the sauce its cheesy, savory depth.
• 2 tablespoons fresh lemon juice: brightens the sauce and balances the richness.
• 2 tablespoons extra virgin olive oil: optional, but adds a lovely gloss and extra body.
• ½ cup water: for blending, plus more if needed.
• ½ teaspoon salt: plus more for the pasta water.
• Freshly ground black pepper
• 12 ounces dry pasta: penne, fettuccine, or any shape that grabs sauce.

Variations / Substitutions

• Nut-free: use raw sunflower seeds in place of the cashews. The flavor will be slightly earthier but just as creamy.
• Greens: fold in a few generous handfuls of fresh spinach right after you toss the pasta with the sauce.
• Protein: stir in a can of drained chickpeas or sliced vegan sausage while heating the sauced pasta.
• A little heat: add a pinch of red pepper flakes to the blender or sprinkle them over each bowl.
• Fresh herbs: toss in a handful of torn basil or parsley right before serving. They lift the whole dish.

If you enjoy this, try my Vegan Lemon Garlic Pasta next.

How to Make Creamy Vegan Pasta

Step 1: Cook the Pasta

Bring a large pot of heavily salted water to a boil. Add the 12 ounces of pasta and cook until al dente, following the package directions, usually 8 to 10 minutes. Before draining, scoop out 1 cup of the starchy cooking water and set it aside.

That pasta water is your best friend here. It loosens the sauce without watering it down, and the starch helps the cashew cream cling to every noodle.

Step 2: Blend the Cashew Cream Sauce

While the pasta cooks, combine the 1 cup raw cashews, garlic clove, 2 tablespoons nutritional yeast, 2 tablespoons lemon juice, 2 tablespoons olive oil (if using), ½ teaspoon salt, and ½ cup water in a high-speed blender. Blend on high until the mixture is completely smooth, about 1 minute. Scrape down the sides if needed.

The sauce should look like heavy cream, thick but pourable. If your blender has a smaller container or isn’t high-speed, soak the cashews in hot water for 15 minutes first, then drain and blend.

Step 3: Toss the Pasta with the Sauce

Drain the pasta and return it to the pot over low heat. Pour the cashew cream over the pasta, then add ¼ cup of the reserved pasta water. Toss everything together with tongs, adding more pasta water a splash at a time, until the sauce is glossy and coats each piece evenly.

The sauce will look a little thin at first, then tighten and cling as you toss. Taste it at this point and add another pinch of salt or a little extra lemon if you want more brightness.

Step 4: Serve with Black Pepper

Divide the pasta into warm bowls and finish each one with a generous crack of black pepper and a light drizzle of olive oil. Serve right away while the sauce is warm and silky.

Tips for the Creamiest Sauce

• If you only have a food processor, you can still make the sauce. Blend longer, stopping to scrape the bowl often, and add an extra splash of water until it’s as smooth as you can get it. It won’t be quite as silky but will still taste great.
• Taste before serving and adjust the lemon. A little extra squeeze at the end wakes up all the flavors without adding salt.
• The sauce thickens as it cools, both in the pot and in the fridge. When reheating leftovers, always add a splash of water or pasta water and stir gently over low heat.
• A pinch of freshly grated nutmeg or smoked paprika added to the blender rounds out the savory notes and makes the dish feel even richer.

Pasta water to pasta ratio matters. Here’s how the sauce scales for different amounts.

Storing Leftover Pasta

• Refrigerate: tuck the pasta into an airtight container and keep it in the fridge for up to 4 days.
• Reheating: the sauce will be thicker cold. Rewarm it in a skillet over low heat with a splash of water, stirring almost constantly until it loosens up and looks creamy again.

What to Serve with Creamy Vegan Pasta

A simple green salad with a sharp lemon vinaigrette cuts through the richness of the sauce. Roasted broccoli or asparagus tossed in olive oil and salt add a nice charred edge alongside. And if you want something to mop up extra sauce, warm crusty bread works perfectly.

Frequently Asked Questions

Can I use roasted cashews instead of raw?

No, stick with raw. Roasted cashews make the sauce taste noticeably toasty and turn it a faint brown color instead of a clean cream.

Can I make the sauce without a blender at all?

It’s tough. The cashews need to break down completely. A food processor can get you there with patience and extra water, but a blender is really the tool for the job.

Is nutritional yeast necessary?

It’s what gives the sauce its cheesy, savory backbone. If you leave it out, the sauce will still be creamy but much milder. I’d add an extra pinch of salt and a little more lemon to compensate.

Can I add vegetables to this pasta?

Absolutely. Sautéed mushrooms, wilted spinach, or halved roasted cherry tomatoes all make great additions. Stir them in when you toss the pasta with the sauce.

Creamy Vegan Pasta Recipe

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 12 minutes mins

Total Time 22 minutes mins

Servings: 4 servings

Calories: 545

Ingredients Method Notes

Ingredients

  

• 1 cup raw cashews
• 1 garlic clove
• 2 tablespoons nutritional yeast
• 2 tablespoons fresh lemon juice
• 2 tablespoons extra virgin olive oil
• ½ cup water
• ½ teaspoon salt
• Freshly ground black pepper
• 12 ounces dry pasta

Method

 

1. Bring a large pot of salted water to a boil. Cook the pasta until al dente, reserving 1 cup of pasta water before draining.
2. In a high-speed blender, combine the cashews, garlic, nutritional yeast, lemon juice, olive oil, salt, and water. Blend until completely smooth, about 1 minute.
3. Return the drained pasta to the pot over low heat. Pour in the cashew cream and ¼ cup of the reserved pasta water. Toss, adding more pasta water as needed, until the sauce is glossy and coats the pasta.
4. Divide among bowls, finish with black pepper and a drizzle of olive oil, and serve warm.

Notes

If you don’t have a high-speed blender, soak the cashews in hot water for at least 15 minutes before blending. That soaking time is not included in the prep. The sauce will thicken as it sits, so when reheating leftovers, add a splash of water and stir over low heat.