Roasted Veggie Salad with Horseradish Dressing

veggie salad with pretzels and fruit
Salad: Roasted potatoes, chickpeas, and broccolini, pistachios, and sliced red onion over mixed greens

Dressing: 1 horseradish root, 1/2 cup vegan mayo, 2 Tbsp Dijon mustard, 2 Tsp white wine vinegar, and 1/2 Tsp of ground pepper