Pulse garlic in food processor with salt until minced. Add pine nuts to food processor, and pulse three times. Add parmesan and lemon zest to food processor, and pulse until a meal forms. Add basil and oil to the food processor and pulse until the basil and minced evenly. Scrape the sides with a spatula and pulse again briefly. Store in an air-tight container in the fridge until ready to use. Will last up to 1 week in the fridge.