Pasta Grannies' spaghetti with lemon pesto recipe

Ingredients

• 100 g boxed spaghetti per person
• 3 large organic lemons, ideally from Procida
• 50 ml lemon juice (from about 2 lemons)
• 10 g flat-leaf parsley (or basil)
• 5 g mint
• 1 garlic clove
• 1 pinch of salt
• 1 pinch of dried chilli flakes
• 50 ml extra-virgin olive oil
• 50 g Italian pine nuts (or walnuts)
• 100 g Parmigiano Reggiano (or pecorino), grated