Hi SinystyrMandee, and Welcome to ECF
Can't say I've tried any savoury flavours in e-liquids, but if you're really interested
Decadent Vapours in the UK do a whole variety as e-liquids, drop the tabs you'll see the variety, some have had good
reviews on the UK forums.
Savoury Flavoured E-Liquid 10 ml - Savoury Flavours - E-liquid
For DIY :-
The Perfumers Apprentice have a good variety of concentrates:
Perfumers Apprentice - Professional Flavors
BUT
Flavour Art do some strange and wonderful concentrates:
Aromi salati - Flavourart. La sartoria degli aromi
I can't believe I missed a trick on these, although I'm not really keen to vape them, Cream Cheese and Salmon Bagel Vape??? I'd rather eat it than vape it, besides it would be crazy trying clean the clearo after.

That said, a subtle Fresh Tomato and Basil Vape could be quite refreshing, I suppose you could create almost anything with the correct taste buds, imagination and lots of patience.
I do think they can make a huge difference in cooking, and baking. Husband holding hand over mouth at present, seriously scared eyes peeping over the top (I'm rubbish in the kitchen)

Anyway, now I understand why some Restaurant Food can never be replicated at home, it's these concentrates!
If you do get on to making some or trying some out, please review them and let us know.
