01 - Bring a large pot of generously salted water to a rolling boil. Add the pasta and cook according to package directions until al dente. Before draining, reserve 4 fl oz of the starchy pasta water. Drain the pasta through a colander and set aside.
02 - While the pasta cooks, add the wild garlic leaves, toasted pine nuts, grated Parmesan, and garlic clove to the bowl of a food processor. Pulse several times until the ingredients are roughly chopped and combined.
03 - With the food processor running continuously, slowly drizzle in the extra virgin olive oil through the feed tube. Continue blending until a smooth, vibrant green paste forms. Add the lemon juice and season with salt and black pepper to taste. Pulse briefly to incorporate.
04 - Transfer the drained pasta to a large serving bowl. Add the wild garlic pesto and toss thoroughly to coat every strand. Gradually add splashes of the reserved pasta water until the sauce reaches a silky, creamy consistency that clings to the pasta.
05 - Divide the pesto pasta among individual plates or bowls. Finish with an extra shower of grated Parmesan and freshly cracked black pepper, if desired. Serve immediately while warm.