Step 1

Toast garlic in 10-inch skillet over medium heat, stirring occasionally, until fragrant and skins are just beginning to brown, about 5 minutes. Add pine nuts and continue to cook until garlic is spotty brown and nuts are golden, 2 to 3 minutes. When it is cool enough to handle, peel garlic.

Step 2

Process garlic, nuts, basil, oil, Parmesan, and 1/2 teaspoon salt in food processor until smooth, scraping down bowl as needed, about 1 minute. Season with salt and pepper to taste. (Pesto can be covered with 1 tablespoon oil and refrigerated for up to 4 days or frozen for up to 1 month.