In an Apocalyptic post-Brexit Culinary Hellscape, Lamb with Turnips and Tnned Carrots Could Be On the Menu.

While some may be thinking through ramifications of the effects of Brexit on the entire financial system :

Brexit liquidity is a go, but cui bono?

We at Climateer Investing are simply looking for the main chance.
We first investigated the thinking in "Have your cake and eat it: The Brexit effect on bakery and snacks" at Bakery and Snacks but couldn't see any real action worth pursuing.

There was the generalist advice that seemed to be everywhere, here's the Guardian last year: "A no-deal Brexit survival guide: what food to stockpile"
Boring.

Then, stumbling across another story from 2018....
From Sky News: 
Brexit impact on Welsh lamb could change a landscape and a nation

Nation changing? That's me.

And suddenly it was as though some higher power was being rather, as they say in Hollywood, "on the nose". New York Times, January 30:
When Brexit Happens, Will Hunger Pangs Follow?

... For example, lamb from the United Kingdom is now sold in the European Union with no tariff. In the event of no-deal Brexit, the purchase price of a British lamb by buyers in Europe could increase by as much as 45 percent because of new tariffs....

A rather insistent higher power.
Bloomberg, February 15:

Why Lamb Chops Could Be on the Menu in a No-Deal Brexit

That's it!
I shall write a cookbook!

There is going to be all this sheep meat available, the price will plummet, folks will be forced just by the economics if nothing else to eat more lamb and mutton, will quickly get sick of it and desire new and tasty ways to fix what will once again become a staple. Mutton Magic?

There is also talk of emergency feeding supplies being stockpiled, basic but nutritionally fortified to get through the initial months of chaos, which means a sequel (prequel?). It almost writes itself:

     101 Things You Can Do With Gruel

Then sit back and watch those royalty checks roll in.