Put garlic cloves into mortar. Grind into a garlic paste. Add basil, a few leaves at a time and continue to grind. Then add pine nuts, 1 tbsp at a time, and continue to grind. Add parmesan cheese, one handful at a time. Grind in mortar until fully combined and paste-like. Add lemon juice and mix until fully combined. Then add olive oil, a little at a time until fully mixed in. Then add to the pasta of your choice, serve and enjoy!
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Notes
You can also make this recipe in a food processor and it will be lovely. However, the mortar and pestle brings out unique and wonderful layers of flavors. There's just nothing like a mortar and pestle for this recipe. To learn more about the mortar and pestle I'm using, here is my Mortar and Pestle Review and Tutorial.