In a blender or food processor fitted with the metal blade, combine all ingredients and process to a grainy paste (tape nade is sometimes called the “caviar of Provence,” so think caviar when determining the proper texture).
Tapenade keeps in the refrigerator for about a week. If the paste is too dry or doesn’t blend well, add another tablespoon of olive oil.
Serve as a dip for raw vegetables or a spread for fresh bread.