Now, I know what you're thinking, "What's the perfect pesto recipe?" Well, it's quite simple really: just combine 2 cups of fresh basil leaves, 1/3 cup of pine nuts, 1/2 cup of grated Parmesan cheese, 1/2 cup of extra virgin olive oil, and 2 cloves of garlic in a blender. Blend it all up until it's smooth and creamy, then season with salt and pepper to taste.
But, here's the thing, you can't just can any old pesto – it needs to be acidic enough to prevent those pesky bacteria from growing. So, add a squeeze of lemon juice or vinegar to the mix, and you're good to go! And, fun fact, did you know that pesto is originally from Genoa, Italy, where it's been a staple sauce for centuries?
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Now that you have your pesto mixture, it's time to fill those jars! Use a funnel to avoid making a mess, and leave about 1/4 inch of headspace at the top. Then, remove any air bubbles by running a plastic spatula around the edges, and you're ready to seal those jars!
