How long will peanut butter cookie dough last in the refrigerator?

Peanut butter cookie dough can typically last in the refrigerator for about 1 to 2 weeks when stored in an airtight container. To ensure its freshness, it's best to check for any off smells or changes in texture before use. If you want to extend its shelf life, consider freezing the dough, which can last for up to 3 months.