Weekend special: Butter-poached shrimp and Carolina-style grits

We have shrimp on sale this weekend (again), but this time it’s the really good ones:   8-10 count jumbo wild-caught, raw Gulf shrimp from Louisiana, the best kind.  This being a short Mardi Gras season in 2016 (January 6 through Fat Tuesday on February 9 – barely four weeks), I’m looking for an excuse to…