I don't think there is anything to replace a brattie eaten standing at a schnelly, but the L*dl versions are acceptable.
The Morrisons ones would be disgusting if they tasted of anything at all. Never tried the competition though.
As a digression, German packet soups are in a class of their own. When we come back into UK after a Germany excursion, we import substantial numbers of bottles of sekt, and of Asbach. In addition to their superb taste, German soups make excellent packing to cut down the death-rattle of several dozen bottles ...............