Charleston Favorites Tidewater Shrimp Sauce and White Grits SetThe Charleston Favorites Tidewater Shrimp Sauce and Marinade and Grits set celebrates the Southern origins of shrimp and grits and gives home cooks the primary tools they need to prepare this rich and flavorful meal in just 30 minutes. The Tidewater Shrimp Sauce starter blends a heated mix of peppers, spices, and oils. It needs nothing more than a stick of melted butter before its ready to pour over fresh shrimp in a baking dish and go into the oven.