Grilled Horseradish Potato Salad | Savory

Ingredients

• 2 lb red and white new potatoes, unpeeled
• 3 tbsp grated fresh horseradish, divided
• 6 tbsp olive oil, divided
• 1/3 cup white wine vinegar
• 1 tbsp Dijon-style mustard
• 1/2 cup finely chopped red onion
• 2 tbsp lemon zest
• 2 tbsp chopped fresh parsley
• 1/8 tsp crushed red pepper flakes