Austro-Hungarian Cream of Horseradish Soup Recipe

Ingredients (12)

• 1 pound russet potatoes, or other high-starch potatoes
• 2 medium onions
• 3 tablespoons (1 1/2 ounces) unsalted butter
• 2 cups clear vegetable stock
• 1 cup chicken stock, or more vegetable stock to make this vegetarian
• 1 cup heavy whipping cream
• 1 large egg yolk
• 2 tablespoons dry white wine
• 1 1/2 ounces fresh horseradish, grated very finely on a zester
• Salt, to taste
• Freshly ground black pepper, to taste
• Chopped fresh dill, for garnish