Arugula Pesto Pasta

Bahan-bahan (4 porsi)

• 1 pound dried pasta
• 5 ounces baby arugula, washed
• 6 g arlic cloves, peeled
• 1 cup toasted pine nuts, divided
• 1/2 cup grated Parmesan, plus extra for serving
• juice of half a lemon
• 2/3 cup extra-virgin olive oil