Crisp spinach tossed with red onions, fresh berries, crunchy pistachios, and blue cheese crumbles - all topped with a quick and tasty mixed berry vinaigrette!
To make the dressing, pulse all ingredients in a blender or food processor until smooth. Cover and chill until ready to serve.
When ready to serve the salad, in a large bowl toss together spinach, berries, red onions, cheese crumbles, and pistachios. Serve with prepared dressing.