Warm Potato Salad | Saveur

Ingredients

• 2 lb. medium waxy potatoes
• Salt
• 2 tbsp. butter
• 1 small yellow onion, peeled and finely chopped
• 1 cup vegetable stock, hot
• 3 tbsp. white wine vinegar
• 4 tbsp. vegetable oil
• Freshly ground black pepper
• ¹⁄₂ bunch chives