The good news (at least for the EU, don't know about non-EU European countries) is that groceries are only a blip on the radar when it comes to imports (of course, energy is used for groceries, but that applies both to European and US products) [1]:
[1] Of course, there are US conglomerates that produce in the Europe. But a good chunk (at least here) is Unilever, Nestle, etc., which are all European.
