To make shrimp stock, place shrimp shells in saucepan, cover with water, add some salt a few slivers of onion, a sprig of thyme and a piece of celery and cook 15mns.
Strain, pressing hard on shells with back of a spoon to extract all the liquid.
for the grits for 2 people I use 1/2 c grit and 1 3/4 c water
