how to make pasta with pesto
Puree 2 cups fresh basil, 1/4 cup toasted pine nuts and 1 garlic clove in a food processor until smooth. With the motor running, drizzle in 1/3 cup olive oil. Pulse in 1/2 cup grated Parmesan. Toss with cooked spaghetti, adding up to 1/2 cup pasta water. Season with salt and pepper.