Rail Europe (0844 848 4070) has fares from London to Munich from £161 return including travel on the overnight service from Paris. LateRooms.com have rooms in Munich from £48.21 pn. 

Chartier Restaurant, 7 Rue du Faubourg, Montmartre 75009, Paris. + 33 (0)1 47 70 86 29
restaurant-chartier.com/www/visit/