notbob wrote:
>
> In short, is "umami" a real distinction
> or jes another trendy term being ferociously flogged through the
> food-o-sphere?

I suspect it is just a trendy thing.
Want a good burger, try a good cut of beef or a blend of 2-3 cuts. No
sauce will make a better burger, imo. You need to repair the bottom
line of the sandwich.