Berry Pistachio Spinach Salad with Berry Vinaigrette

• 6-8 cups baby spinach leaves
• 1 - 1 ½ cups berries I used ⅓ cup each blueberries, raspberries, and blackberries - strawberries are great too, of choice
• ¼ red onion thinly sliced into rings
• ⅓ cup blue cheese OR feta cheese crumbles, crumbles
• ⅓ cup pistachio shelled

Dressing

• ¾ cup berries I used a combination of blueberries, raspberries, blackberries, and strawberries, fresh or frozen, of choice
• ⅔ cup extra virgin olive oil (or vegetable oil)
• ¼ cup apple cider vinegar
• 1 teaspoon Italian seasoning
• ½ teaspoon salt
• ¼ teaspoon black pepper
• 1-2 tablespoons honey
• ¼ cup water cold