Do You Include Basil Stems In Pesto

You can absolutely include basil stems in pesto, and you should.
 
Many home cooks toss them out without a second thought, but those stems are packed with the same bright, peppery basil flavor you love.
 
The trick is knowing how to handle them so your pesto stays smooth and creamy instead of turning stringy or bitter.
 
In this post, we’ll dig into why basil stems work beautifully in pesto, how to prep them the right way, and when you might want to leave them out.
 
Let’s get blending.

Why You Can Include Basil Stems in Pesto

The short answer is yes, you can include basil stems in pesto, and they bring real value to the table.
 
Basil stems contain plenty of essential oils, which is where that signature aroma and flavor live.
 
When you include basil stems in your pesto, you’re essentially using the whole herb, which reduces waste and boosts the overall taste.
 
The stems also add a subtle texture that some people actually prefer, giving the sauce a bit more body without being crunchy.
 
Let’s break down the main reasons why you should start saving those stems.

1. Flavor Concentration Lives in the Stems

Basil stems are not just filler, they’re flavor powerhouses.
 
The oils that give basil its distinctive kick are distributed throughout the plant, not just the leaves.
 
So when you include basil stems in pesto, you capture that full spectrum of taste.
 
Young, tender stems from the top of the plant are especially mild and sweet.
 
Even the thicker lower stems can work if you chop them finely or blend them long enough.
 
This means you’re not sacrificing flavor by using the stems, you’re actually amplifying it.

2. You Cut Down on Kitchen Waste

If you grow basil or buy big bunches at the market, a good chunk of the weight is stem.
 
Throwing those away means you’re discarding a third or more of your purchase.
 
When you include basil stems in pesto, you’re making the most of every leaf and stalk.
 
It’s a sustainable choice that feels good and saves you money over time.
 
Plus, pesto is traditionally a “use what you have” sauce, so adding stems fits the rustic, resourceful spirit.

3. Texture Becomes More Rustic and Interesting

Classic pesto isn’t supposed to be perfectly silky like a commercial sauce.
 
It’s meant to have a little personality, with small bits of nut and herb adding character.
 
Including basil stems adds a gentle chew that clings nicely to pasta.
 
As long as you don’t leave big, woody chunks, the stems blend into the sauce seamlessly.
 
So when you include basil stems in pesto, you get a more authentic, homemade feel.

How to Prepare Basil Stems for Pesto

Now that you’re convinced you can include basil stems in pesto, let’s talk about prep.
 
The key is to match your preparation to the stem’s thickness.

1. Use the Tender Tops for Quick Blending

The top few inches of the basil plant have soft, green stems that barely need any attention.
 
Give them a quick rinse and pat dry, then toss them straight into the food processor.
 
These tender stems blend down in about the same time as the leaves.
 
You won’t even notice them in the final pesto.

2. Chop Thicker Stems Before Blending

For the thicker, woody stems near the bottom, take a minute to slice them crosswise into small pieces.
 
Cutting them into half-inch lengths makes it easier for the blades to pulverize them.
 
You can also soak them in warm water for ten minutes to soften them up first.
 
After a longer blend time, these stems disappear into the sauce completely.

3. Pound Them in a Mortar and Pestle

If you’re making pesto the traditional way with a mortar and pestle, stems are actually easier to handle.
 
Start by grinding the stems and garlic together first, since they need more force.
 
Once they break down into a paste, add the leaves and continue pounding.
 
This method gives you total control over the texture.

When You Might Skip the Basil Stems

While you can include basil stems in pesto in most cases, there are a few exceptions.

1. Very Old and Woody Stems

If your basil plant has gone to flower or the stems are brown and bark-like, leave those out.
 
Woody stems have tough fibers that won’t break down properly and can taste bitter.
 
Pinch off those lower sections and save only the greener, more flexible parts.

2. You Want a Super Smooth Sauce

If you’re making a fine-dining style pesto for a delicate dish, you might prefer a leaf-only version.
 
Stems, even finely chopped, can leave a faint grainy feel on the palate.
 
In that case, reserve the stems for another use, like infusing olive oil or making stock.

3. Large-Scale Commercial Batches

If you’re producing pesto in bulk, consistency is key.
 
Stems can vary in thickness, which makes it harder to get a uniform texture every batch.
 
For home cooking, though, this isn’t a concern at all.

So, Do You Include Basil Stems in Pesto?

Yes, you can absolutely include basil stems in pesto, and it’s a move you’ll be glad you made.
 
You get more flavor, less waste, and a more rustic texture that feels authentically homemade.
 
Just remember to use the tender tops as-is and give thicker stems a quick chop before blending.
 
Skip only the truly woody, old stems that won’t break down.
 
So the next time you’re making a fresh batch, save those stems and throw them right in.
 
Your pesto will taste even better, and you’ll wonder why you ever threw them away.
 
Happy blending, and enjoy your vibrant, stem-filled pesto on everything from pasta to sandwiches.