Scallops With Potato Pancakes And Caviar Sauce

Name: Scallops With Potato Pancakes And Caviar Sauce
Ingredients: 1 pound baking potatoes, peeled; 1 large egg, lightly beaten; 1/4 cup matzo meal; 1/4 cup grated onion; Salt; Vegetable oil, for frying; 1 1/2 cups Champagne; 9 black peppercorns; 3 thyme sprigs; 1 bay leaf; 1 large shallot, thinly sliced; 1 teaspoon fresh lemon juice; 1 1/2 tablespoons crème fraîche; 1 1/2 sticks (6 ounces) cold unsalted butter, cut into tablespoons; 1 ounce caviar; 20 medium sea scallops (1 pound); 2 tablespoons minced chives