3 pistachio with halvah and Recipes

all purpose flour, crumbled pistachio halvah or plain halvah* (about 7 oz), sugar, salt, chilled unsalted butter, cut into 1/2-inch cubes, egg yolks, ice water, sugar, water, heavy whipping cream, chilled unsalted butter, cut into 1/2-inch cubes, natural unsalted pistachios (about 4 oz), toasted, nonstick vegetable oil spray, egg white, heavy whipping cream, unsalted butter, bittersweet (not unsweetened ) or semisweet chocolate, chopped, light corn syrup

unsalted butter, nine 5- by 2 1/2-inch graham crackers, shelled natural pistachios, sugar, milk, vanilla, crumbled halvah (about 5 oz), well-chilled heavy cream