Step 1

Combine the raspberries with the other ingredients and mix in a blender until smooth. Season to taste with salt and pepper.

Step 2

If using raspberry vinegar without fresh berries, combine vinegar and shallot in a bowl. In a slow, steady stream, pour in olive oil while whisking. Season to taste with salt and pepper.

Step 3

This vinaigrette will keep refrigerated for a few weeks. Whisk to remix the vinaigrette before using.