In a large sauté pan over medium heat, melt 1 TBSP of butter.
Add the shrimp shells and cook for 5 minutes, or until pink and toasty! You are making the broth.
Add the tomato paste and stir it with the shells, cook for 1-2 minutes or until starting to dry.
Add two cups of water and bring to a boil.
Lower heat, cover and simmer for 5 minutes.
Drain liquid in a measuring cup and discard shells and anything over 1 ½ cups of broth.
Clean the sauté pan quick (wipe it out) and heat to medium heat
Add bacon and cook till crispy (5 minutes)
Stir in shrimp, garlic, 1 tsp of salt and ½ of pepper and cook for 2 minutes. REMOVE and transfer to a plate.
Melt 1 TBSP of butter in the pan, whisk in flour and cook for 1 minute.
ADD stock and bring to a boil while whisking to make sure there are not bumps.
Reduce to a simmer and cook 5-10 minutes or until thickened into a sauce.
When thickened, add shrimp and cook for 2 minutes.
Stir in lemon juice, Sriracha and 1 TBSP of butter.
Put the grits in a bowl, top with shrimp and sauce, add the scallions and ENJOY.