Melt Butter In A Medium Skillet Over Medium-High Heat. Dredge Tofu Slices In Flour And Place In Hot Butter. Brown Slightly, Then Turn Over And Brown The Other Side. Add Water, Wine And Bouillon Cubes; Simmer For 10 Minutes, Or Until Bouillon Completely Dissolves. Stir In Mustard And Honey. Simmer Until Thickened.