I want to be specific that this pesto is made from basil, after discovering that one can make pesto from so many different things. I had a bumper crop of basil in my raised bed this year and decided to use most of it to make pesto. This is a recipe a good friend shared with me five years ago.
I also dried some basil by hanging the stems upside down in the attic (see picture).
4 cups coarsely chopped sweet basil leaves
1 cup pine nuts
1/2 cup extra virgin olive oil
1 cup Parmesan cheese
1/4 cup unsalted butter (optional)
2 cloves garlic, crushed
a dash of salt and pepper
Puree all ingredients in a food processor or blender.
Use immediately, freeze or put the pesto in a glass jar and put in the refrigerator. If you put in in the refrigerator, pour a thin layer of olive oil on top of the pesto in the jar and screw the lid on. This will keep for up to 10 days in the refrigerator.
This recipe makes about 1 1/2-2 cups.