Maitake Mushroom Tart with Stones Ginger Wine Sauce

Name: Maitake Mushroom Tart with Stones Ginger Wine Sauce
Ingredients: Tart Shells, recipe follows; 1/4 cup olive oil; 1 1/2 ounces fresh ginger; 2 tablespoons minced shallot; 3 cloves garlic, minced; 1 1/2 cups ginger wine; 1 tablespoon mushroom soy*; 2 quarts heavy cream; 2 pounds Maitake mushrooms*; 2 teaspoons kosher salt; 2 to 3 tablespoons chopped chives, for garnish; * Available at Asian markets and specialty food stores; 2 1/2 cups all-purpose flour; 2 eggs; 1 tablespoon sugar; 1 1/2 teaspoons salt; 1/2 pound chilled butter, diced