Mushroom Pomponnettes

Name: Mushroom Pomponnettes
Ingredients: 1 cup all-purpose flour; 6 tablespoons unsalted butter, cut into pieces and chilled; 1/8 teaspoon salt; 1 large egg, lightly beaten; 1 cup dried porcini mushrooms (1 ounce); 2 cups boiling water; 1 tablespoon unsalted butter; 1 tablespoon extra-virgin olive oil; 1 garlic clove, minced; Salt and freshly ground pepper; 1 tablespoon finely chopped flat-leaf parsley; 1/2 cup heavy cream; 1 large egg; 1 large egg yolk; 1/2 cup shredded imported Fontina cheese (2 ounces); 1 tablespoon snipped chives