Name: Clementine Cream Tarts
Yield: serves 4
Ingredients: 1 cup sugar; Finely grated zest of 3 clementines; 4 large eggs; 3/4 cup freshly squeezed clementine juice; 2 sticks plus 5 tablespoons (21 tablespoons; 10 1/2 ounces) unsalted butter, at room temperature and cut into tablespoon-sized pieces; crust; 1/4 cup walnut pieces, finely ground; 3/4 cup confectioner's sugar; 1 cup flour; 1 stick (1/2 cup) unsalted butter, at room temperature