In the heart of Little Venice, this handsome regional edifice on the banks of the Lauch belongs to chef Jean-Yves Schillinger. A tasteful contemporary decor sets the stage for a culinary cast drawn from near and far: cassolette of prawns and Thai veggies; red mullet, baby artichokes and a rouille sauce with Alsace saffron; wafer-thin apple pie, butterscotch and vanilla ice cream…