In a food processor combine basil, cheese, garlic, pine nuts and ¼ C olive oil. Slowly drizzle in the remaining ¼ C olive oil while the food processor is running. Season with kosher salt and fresh ground pepper to taste. Store in airtight container in refrigerator for up to 1 week.
Recipe by Good Thyme Kitchen at https://www.goodthymekitchen.com/basic-basil-pesto/