C1['emailAddress'] = self.request.get('emailAddress')
C2 = Cookie.SimpleCookie()
C2['secretCode'] = self.request.get('secretCode')
C2['secretCode']['path'] = '/'
self.response.headers.add_header('Set-Cookie', C1.output(header=''))
self.response.headers.add_header('Set-Cookie', C2.output(header=''))
GAE: Setting multiple cookies (or a multi-value cookie) with SimpleCookie