4/23/15. Ideal for making a delicious pesto. Costco has the Casa Maria Polished Natural Stone Mortar & Pestle on sale for $11.99 (after manufacturer’s instant rebate), now through April 26, 2015. That is $3 off Costco’s regular price of $14.99. While supplies last. You can use the mortar & pestle to release food’s natural oils and flavors to make marinades, spice mixes, dry rub mixes, pesto and guacamole. It…
