Walnut Pesto Pasta Salad Recipe Ready in 25 Minutes

Some days you just need something fast, filling, and good enough to bring to a potluck without any stress. That’s exactly why I keep coming back to this Walnut Pesto Pasta Salad Recipe. I started making it on busy weeknights when my kids needed dinner on the table fast and I had zero energy left. It’s honestly become one of my most-reached-for recipes. You get a homemade basil-walnut pesto that takes just minutes in the food processor, hearty whole-wheat pasta, fresh tomatoes, and roasted red peppers. Everything comes together in 25 minutes flat. It works as a main dish, a side, or a make-ahead lunch. Trust me, once you try it, you’ll want it on repeat.

Table of Contents

Table of Contents

Why You Will Love This Walnut Pesto Pasta Salad Recipe

There are so many reasons this one keeps showing up on my table. Here are the big ones:

• Ready in just 25 minutes from start to finish.
• The homemade basil-walnut pesto is simple and way better than anything from a jar.
• Whole-wheat pasta adds real fiber and keeps you full.
• Works as a main dish, a side, or a packed lunch.
• Great for meal prep since it stores well in the fridge for up to 3 days.
• Easy to customize with whatever you have on hand.

Ingredients for This Walnut Pesto Pasta Salad Recipe

Here’s everything you need to pull this together. I always lay it all out before I start cooking so nothing gets missed mid-recipe.

• 1 pound whole-wheat penne or rotini pasta
• 2 cups lightly packed fresh basil leaves, plus more for garnish
• ½ cup lightly packed flat-leaf parsley leaves
• ½ cup chopped walnuts, toasted
• ½ cup grated Parmesan cheese
• 1 clove garlic, grated
• 1 tablespoon lemon juice
• 1 teaspoon salt
• ¼ teaspoon ground pepper
• ½ cup extra-virgin olive oil
• 1 medium tomato, chopped
• ½ cup chopped jarred roasted red peppers, rinsed

That’s it. Nothing fancy, nothing hard to find. Most of these are probably already sitting in your pantry or fridge right now.

Ingredient Notes and Substitutions for Walnut Pesto Pasta Salad Recipe

A few quick notes before you start. These are the swaps and tips I’ve picked up from making this recipe more times than I can count.

Walnuts

Please don’t skip toasting them. Just toss your walnuts in a dry skillet over medium heat for 3 to 5 minutes, stirring often, and you’ll smell exactly why it matters. It brings out this warm, nutty depth that raw walnuts just don’t have. Raw walnuts will still work in a pinch, but toasted ones make the pesto taste so much richer.

Pasta Shape

Penne and rotini are my go-to picks because they grip the pesto really well. But honestly, any short pasta shape works here. Bowties and fusilli are both great substitutes if that’s what you have in the cupboard.

Making It Vegan

Just swap the Parmesan for a dairy-free alternative and you’re good to go. Nutritional yeast works really well and adds a nice savory flavor. A store-bought vegan Parmesan is another easy option that blends right into the pesto.

Equipment You Will Need

Nothing fancy required here. Just grab these basics before you start:

• Large pot for boiling the pasta
• Colander for draining
• Food processor for blending the pesto
• Dry skillet for toasting the walnuts
• Large mixing bowl for tossing everything together
• Cutting board and knife
• Measuring cups and spoons

How to Make Walnut Pesto Pasta Salad Recipe

This comes together so fast. Three steps, 25 minutes, and you’re done. Here’s exactly how I do it every time.

Step 1 Cook the Pasta

Bring a large pot of water to a boil over high heat, then cook your pasta according to the package directions. The second it’s done, drain it and rinse it right away with cold water. Don’t wait on this step. That cold rinse stops the cooking immediately and keeps the pasta from clumping into one big sticky mess, which is exactly what you don’t want in a cold pasta salad.

Step 2 Make the Walnut Pesto

Add your basil, parsley, toasted walnuts, Parmesan, grated garlic, lemon juice, salt, and pepper to the food processor. Pulse it a few times, scraping down the sides as you go, until everything is finely chopped. Then, with the motor still running, slowly drizzle in the olive oil. Take your time here. You want a thick, glossy pesto that’s smooth but still has a little texture to it. Don’t over-process it into a paste. Stop when it looks saucy and bright green.

Step 3 Assemble the Walnut Pesto Pasta Salad Recipe

Transfer your pesto into a large bowl. Add the cooked pasta, chopped tomato, and roasted red peppers, then toss everything together until the pasta is fully coated. Top with a few fresh basil leaves if you want it to look extra pretty. You can serve it right away or pop it in the fridge to chill first. Both ways are delicious.

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Tips for the Best Walnut Pesto Pasta Salad Recipe

These are the small things that make a big difference. I learned most of them the hard way so you don’t have to.

• Toast your walnuts before they go into the food processor. That 3 to 5 minutes in a dry skillet is what gives the pesto its deep, nutty flavor.
• Rinse the pasta with cold water the second it’s done draining. This stops it from overcooking and keeps every piece separate and easy to toss.
• Taste the finished salad before you serve it and adjust the salt. The pasta absorbs flavor as it sits, so it often needs a little more than you’d expect.
• If the salad looks dry after a day or two in the fridge, just drizzle a little olive oil over it and toss. It comes right back to life.
• Always give leftovers a good stir before serving. The pesto settles at the bottom and everything needs to get reacquainted.

Walnut Pesto Pasta Salad Recipe Variations

This recipe is really easy to make your own. Here are some of my favorite ways to switch it up:

• Add grilled chicken or canned chickpeas to turn it into a more filling, protein-packed meal.
• Swap the fresh basil in the pesto for arugula or baby spinach for a slightly different flavor.
• Toss in some sliced kalamata olives or marinated artichoke hearts for a briny, savory kick.
• Use sun-dried tomatoes instead of fresh chopped tomato for a more intense, concentrated flavor.
• Stir in a handful of baby mozzarella balls if you want something a little more indulgent.

Serving Suggestions for Walnut Pesto Pasta Salad Recipe

This salad is so versatile and honestly plays well with just about everything. I love serving it alongside grilled zucchini or asparagus for a simple weeknight dinner. A thick slice of crusty bread on the side is never a bad idea either. If you want something lighter, pair it with a simple green salad dressed in lemon and olive oil. Grilled chicken works beautifully next to it too. It’s also one of my go-to potluck dishes because it travels well and feeds a crowd. Pack leftovers into a container for lunch the next day and you’re all set.

Storage and Reheating for Walnut Pesto Pasta Salad Recipe

Leftovers keep really well in an airtight container in the fridge for up to 3 days. Before you serve it again, give it a good stir since the pesto tends to settle at the bottom. If it looks a little dry, just drizzle some olive oil over it and toss. It comes right back together.

This salad is best served cold or at room temperature, so there’s no reheating needed at all. I’d skip the freezer on this one. The pasta gets mushy and the pesto loses its fresh flavor once it thaws. Just make what you’ll eat within a few days and you’re good.

Nutritional Information

Here’s a breakdown of the estimated nutritional values per serving. Keep in mind these are just estimates and the actual numbers can vary depending on the specific ingredients and brands you use.

• Calories: 520 kcal
• Fat: 26 g
• Saturated Fat: 4.5 g
• Unsaturated Fat: 20 g
• Trans Fat: 0 g
• Carbohydrates: 58 g
• Fiber: 7 g
• Sugar: 3 g
• Protein: 15 g
• Sodium: 480 mg
• Cholesterol: 8 mg

Frequently Asked Questions About Walnut Pesto Pasta Salad Recipe

I get a lot of the same questions about this one, so let me just answer them all right here.

Can I make this Walnut Pesto Pasta Salad Recipe ahead of time

Yes, absolutely. You can make it up to 3 days in advance and keep it in the fridge. Just give it a good stir before you serve it and drizzle a little olive oil over it if it looks dry. It holds up really well.

Can I use store-bought pesto instead of homemade

You can, but I’d really encourage you to try the homemade basil walnut pesto at least once. It takes just a few minutes in the food processor and the flavor difference is honestly night and day compared to a jar.

What pasta works best for an easy pasta salad like this

Short shapes are the way to go because they grip the pesto really well. Penne, rotini, fusilli, and bowties are all great options. Any of those will give you a perfect easy pasta salad every time.

Is this a vegetarian pasta salad

Yes, it is. And if you want to make it fully vegan, just swap the Parmesan for a dairy-free alternative like nutritional yeast or a store-bought vegan Parmesan. Easy swap, same great flavor.

How do I keep the pasta from getting dry

Two things help here. First, rinse the pasta with cold water right after draining so it stays loose and doesn’t clump. Second, if your whole wheat pasta salad looks dry after sitting in the fridge, just add a drizzle of olive oil and toss before serving.

Share Your Walnut Pesto Pasta Salad Recipe

I really hope you love this one as much as my family does. If you give it a try, please leave a comment and a rating below. It genuinely means so much to me. And if you snap a photo, share it on social media and tag Frosty Recipes so I can see your creation. There is nothing I love more than seeing this recipe show up on your tables. You can also follow us on Facebook for more delicious recipes!

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