Wash and prep collard leaves: Start by washing 2 cups collard greens under running water or submerging them in a bowl of water and shaking them to remove any dirt. Use a salad spinner to dry leaves or lay them flat on a plate or kitchen towel to dry, then chop them into thin pieces.
Blend collards, nuts, garlic, and oil: Toss the cleaned and dried collard leaves in a food processor. Next, add ⅓ cup pine nuts and 2 cloves garlic. Pulse until finely chopped, slowly drizzling in ½ cup extra virgin olive oil until the chopped ingredients are well coated in oil but still chunky.
Add seasonings to finish: Finish by adding in the ⅓ cup parmesan cheese (or nutritional yeast) and 1 pinch salt and pepper. Add the Optional: squeeze of fresh lemon juice if using. Give the pesto a taste and add more seasonings until it's flavored to your liking.
Notes
Nuts or seeds? Traditional pesto sauce uses pine nuts, but any nuts or seeds are perfect for pesto. We used pumpkin seeds in the photos of this recipe.Tools needed: food processor or blender, knife set, cutting board, salad spinnerPrep ahead: Make this simple pesto up to 2-3 days before serving, or freeze until ready to useLeftovers and storage: Leftover pesto should be stored in an airtight container in the refrigerator for up to four days, and in the freezer for up to 2 months (possibly longer).Nutrition notes: Nutrition information is an estimate and uses all ingredients as written (with parmesan cheese and pine nuts). Using other nuts, seeds, cheese, or nutritional yeast will change the nutrition information of this recipe.