Parsnip Pancakes With Smoked Fish And Caper Sour Cream

Name: Parsnip Pancakes With Smoked Fish And Caper Sour Cream
Ingredients: 3/4 cup sour cream; 1/2 cup plus 2 tablespoons grated red onion, plus 2 tablespoons minced red onion, for garnish; 2 tablespoons chopped dill; 2 tablespoons drained capers; 4 large parsnips, peeled and grated; 1 large baking potato, peeled and grated; 1 large egg, beaten; 2 tablespoons all-purpose flour; 3/4 teaspoon baking powder; 1/2 teaspoon salt; 1/4 teaspoon freshly ground pepper; Vegetable oil, for frying; 6 to 8 ounces sliced smoked fish, such as sable or salmon