In a large bowl, mix oats, nut butter, honey, chocolate chips, flaxseeds, vanilla, and salt.
Stir well until everything is combined.
Roll the mixture into small bite-sized balls (about 1 inch in diameter).
Place on a tray and refrigerate for at least 30 minutes to firm up.
Store in an airtight container in the fridge for up to a week or freeze for longer storag