Makes 1 cup
To store pesto, add a thin layer of extra olive oil to the top (to prevent any air from getting to it), cover with a lid or plastic wrap and refrigerate 1 to 2 weeks. (You can also freeze up to 1 month).
You can keep this sauce for 2 to 3 weeks in the fridge in an airtight container.
Always record the date on the container of food when storing in the fridge or freezer
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