There are no home canning recommendations for pesto. According to the National Center for Home Food Preservation, the herbs and oil in pesto are considered low acidity and could support the growth of nasty bacteria. Canning this sun-dried tomato pesto is therefore not advised. You can find more info here on the u003ca href=u0022http://nchfp.uga.edu/questions/FAQ_canning.html#31u0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003eNCHFP websiteu003c/au003e. You could freeze it though!