Fraisier Gateaux with Creme Mousseline This month’s “Daring Baker’s Challenge” is the Fraisier. The July challenge is hosted by Jana of cherry tea cakes. http://www.cherryteacakes.com  The recipe is written by the very talented duo here in San Francisco; Elisabeth Prueitt and Chad Robertson of famed Tartine Bakery. It is a light chiffon cake layered with cream mousseline…