In a small food processor or blender, puree the spices and brine to your desired smoothness. You may have to scrape down the sides a few times to ensure that the seeds hit the blades. Add the olive oil, a little at a time, and puree until incorporated. Add the mayonnaise, if using, and blend again. Cover and refrigerate for up to 3 weeks.
Excerpted from “Eat It Up!: 150 Recipes to Use Every Bit and Enjoy Every Bite of the Food You Buy” by Sherri Brooks Vinton. Copyright © 2016