Serve these pancakes immediately, since they do not keep well in a warm oven.
Makes about 12.
8 teaspoons (about) butter
Stir crème fraîche and lemon peel in small bowl to blend. Season with salt and pepper. Set aside. Mix flour, buttermilk, eggs, herbs, shallots, melted butter, baking powder and baking soda in medium bowl until well blended.
Melt 2 teaspoons butter in large nonstick skillet over medium heat. Working in batches, drop batter by heaping tablespoonfuls into skillet, spreading each pancake to 3-inch round with back of spoon and adding 2 teaspoons butter to skillet for each batch. Cook until bottom is golden, about 3 minutes. Turn over and cook until bottom is golden, about 2 minutes. Transfer to plates. Top each pancake with dollop of lemon crème fraîche and caviar.