2 cups mayonnaise*
1 (3.5-oz.) jar capers, drained
3 garlic cloves, pressed
1/4 cup Dijon mustard
1. Combine all ingredients in a blender; process until smooth, stopping once to scrape down sides. Cover and chill 2 hours before serving. Store in an airtight container in refrigerator up to 3 days.
*Light mayonnaise may be substituted.