Easy Homemade Basil Pesto

Fresh, homemade basil pesto is one of the treasures of summer. There are many tasty treats that come out of our gardens during summertime, but pesto is one that is very easy and pretty quick to make. It freezes well and there is very little that evokes the flavor and fond memory of warm summer days than the taste of a batch of pesto on a cold winter’s day.

It might be because almost all of the other garden offerings are cooked in some way while preparing them for storage, while pesto is just frozen. It retains that true, fresh flavor better than many other vegetables that are frozen while fresh.

Container Grown Basil

If you haven’t made your own fresh pesto from basil you’ve grown, you might be surprised at how easy it is to grow or how small of a space it takes to grow a good amount in. This is an old horse water barrel that is itself “up-cycled” from a 55 gallon water drum that was cut in half. It is about two feet deep and we filled it with a mixture of soil and aged compost.

We planted Thai basil in one half and Sweet basil in the other, so you can see how vigorous they grow. We’ve been enjoying fresh basil sprigs in our morning eggs – both the Sweet and Thai work wonderfully, giving their signature perfume and aroma to the breakfast. We also love the Genovese basil, considered the classic pesto basil – but it bears experimenting with different basil varieties and even mixtures of basils in a pesto recipe to see what flavors come out and find what you particularly love!

For this batch, we trimmed about half of the Sweet basil – so about 1/4 of the circle so that there would be plenty left for another batch. Basil will grow back quickly, so don’t worry about trimming it short – we left about 3 inches above the soil.

 This is our adaptation to the time-honored Pesto Genovese, which we cover in the linked article. That is made by pounding in a large mortar and pestle, but we find the flavors are very good when made with a food processor. It won’t be quite the same, and you really do owe it to yourself to make it the classic way at least once – even if only to see what the difference in flavor is.

Easy Homemade Basil Pesto
This is the foundational pesto recipe - use it as the starting point in making your signature pesto, with the ingredients you grow at home or especially love!
Ingredients
  • 3 cups fresh basil leaves
  • 2 - 3 cloves garlic
  • ½ cup Pine Nuts or other nuts
  • Coarse Natural Sea Salt
  • ⅔ cup Extra Virgin Olive Oil
  • ½ cup freshly grated Parmigiano-Reggiano, freshly grated Pecorino Romano or other aged, hard grating cheese
Instructions
  1. Harvest the basil by trimming the stalks about three inches above the soil to allow the plant to regrow.
  2. Pull the leaves off, put them in a colander and rinse well. Allow to sit for a couple of minutes to drain well.
  3. Add the basil leaves, the the garlic, pine nuts and a pinch of sea salt. Add ½ cup of the olive oil. Pulse the processor quickly several times to chop the leaves and start the processing.
  4. After the bulk has started to drop in the bowl, pulse the blades for a longer time - about 30 seconds each until a rough consistency has formed. You might need to pulse the blades two or three times.
  5. Check the consistency of the pesto paste at this point. If it is a bit too dry, add half of the remaining olive oil and pulse a couple of times for about 15 - 20 seconds each time, then re-check the consistency. It is easy to add a bit more oil, but you can't take it out!
  6. Add the grated cheese when the pesto has a rough chopped consistency and pulse for 30 - 45 seconds, stopping each time to scrape the bowl down and examine the developing pesto. If the paste is a little too thick or dry for your liking or use, add a bit more oil and pulse, then check it again.
  7. The pesto is ready when it has a bright green, smooth consistency. When that is achieved, stop.
Notes
To avoid spoiling the pesto flavor by the food processor, take care to minimize the heat produced by the blade. Some suggest chilling the blade and bowl assembly in the freezer before starting and monitor the amount of time the pesto is being processed, but it doesn't take that long to make a batch, and we haven't tasted a noticeable difference with not freezing the blade and bowl.
Using cheese fresh from the refrigerator helps control any heat as well.

 

Colander Full of Sweet Basil

This is what that 1/4 of a circle planter of basil looks like! It overflows a large colander and is ready for the leaves to be picked.

Start Water Boiling

If you are making fresh pesto for dinner, put the water on to boil just before you start picking the leaves. By the time you’ve gotten the leaves off and washed and the cheese grated, the water will be boiling. With just a little preparation on the timing and ingredients, you can have the pesto done just about the time the pasta is ready.

It took us about a half hour total to make this batch, including photos.

Harvesting Basil Leaves

Harvesting the basil leaves is straightforward – just pull them off the stem. You can change the overall flavor of the pesto by harvesting more of the younger leaves for a milder flavor or older and larger leaves for a deeper flavor. If you see young buds or flowers, adding a few of these will add a completely different flavor profile to the pesto. When making pesto to use as a remoulade to top a grilled steak with, using more of the buds will give it a sharper flavor to counter the rich, meaty steak.

Basil Ready to Wash

In just a couple of minutes, this is what you’ll have – a colander full of leaves and a pile of stalks. Rinse the leaves well and compost the stalks. If you’ve grown your own basil, you’ll probably notice that there is much less dirt than when bought at the store. This is the result when growing in a raised bed and especially using a drip system. The drip will not splash dirt up on the leaves, and a raised bed that is mulched will greatly reduce the rains from splashing dirt up as well. It makes a noticeable difference in how much time it takes to rinse the leaves.

Grated Parmigiano Reggiano

After rinsing the leaves, leave them to drain for a couple of minutes and grate the cheese. This is another chance to experiment with flavors, as the classic Parmigiano-Reggiano cheese is great, but a Pecorino is also delicious. Don’t be afraid to try different types of hard grating cheeses to see what they bring to the recipe. There are a number of hand-crafted American cheeses that would be a tasty addition – not “authentic” but very delicious all the same!

Adding Pesto- Ingredients

By this time the basil leaves have drained and it is time to add them to the food processor. All of the other ingredients, except the oil, were added as well. The water was at a boil, so we added the pasta to the water and then came back to the food processor.

Ceramic Pot Minder

Does your pasta pot always seem to boil over, leaving a mess to clean up? We’ve found this Pot Minder to be a great little addition – it is a ceramic disc that almost stops the foaming that leads to boil-overs. All you do is drop the disc in when you add the pasta, rice or potatoes and the boil-overs are decreased by at least 90%. I won’t say you’ll never have boil-overs again, but not very often and they will be much smaller than before.

No Boilovers

Here is the pot full of pasta at a full boil, with the small amount of foam being normal. The Pot Minder means one less thing to think about when you are in the middle of cooking dinner.

Making Pesto

With the pasta starting to cook, the rest of the ingredients were added – garlic, nuts and the olive oil. We like to start with about 2/3 of the final amount of oil to start with, that way if more oil is needed it is easy to do, but if there is too much oil it can’t be taken out!

Checking Consistency

The food processor is pulsed for several seconds at a time at first to chop the ingredients and convert the mass of separate ingredients to the beginnings of a paste. After it has started to form a paste, use a flexible spatula to scrape the bowl and clean the sides, getting all of the good flavors into play.

Adding Cheese

After all of the ingredients have started to incorporate into a loose paste, add the grated cheese. We like to add it in two parts to make it easier to blend in and combine the flavors. Make sure to pulse the processor a few seconds several times until it begins to disappear into the paste and becomes thicker. Do this until all of the cheese has been added. Use the flexible scraper to clean the sides of the bowl. 

Pesto Tasting Time!

Now it’s time to examine the pesto. You can leave it fairly chunky and coarse, like the above photo shows, or it can be made much finer by pulsing the food processor for 30 – 45 seconds several times more. It is all up to your preference, both in flavor and appearance. The flavors will change as the pesto is chopped finer by the processor blades. Make sure to taste the pesto several times to determine what you like.

Don’t worry if you make it too fine, the basil plant will re-grow quickly and you’ll have a second chance soon! The fine pesto will more than likely still taste good, and it gives you a chance to refine your technique and put your signature on the dish.

Freeze Extra Pesto for Later

Fresh basil is one of the few herbs that freezes fine with very little, if any, loss in flavor or aroma. We always try to make extra to freeze some for the winter – reminding us of the incredible flavors of summer. If you really want to freeze a lot, plant 10 basil plants and you’ll feel like you’re farming basil!

You will be able to get at least two cuttings and very possibly three in one season. We were able to put up about 18 freezer jars of fresh pesto with our 10 plants, and that doesn’t include eating at least six more. The freezer jars are just big enough for one meal so there is no waste and you don’t wind up with soggy pesto in the fridge a few days after thawing it out.

Garden Fresh Pesto for Dinner

Here is the final product – a simple but delicious dinner just waiting to carry you away!

What do you think? Have you grown basil in a container like this, or do you grow it in a more traditional garden, or maybe inside? How else do you use fresh basil and pesto? 

Let us know in the comments below!

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