Blend arugula and spinach in processor, adding garlic, nuts and Parmesan until well blended. With machine running, gradually add olive oil; process until smooth.
Season to taste with salt and pepper. Bring to room temperature before using.
This pesto freezes well and makes a fabulous holiday gift when packed in half-cup jars. This recipe makes one cup.
Another Harvest Idea Make flavored salts for holiday gifts by adding one tablespoon of the fresh herb of your choice to a quarter-cup of good quality sea salt. Mix well and store in an airtight jar.