By Islamic law, all foods are considered halal, or lawful, except for pork and its by-products, animals improperly slaughtered or dead before slaughtering, animals slaughtered in the name of anyone but Allah (God), carnivorous animals, birds of prey, animals without external ears (some birds and reptiles), blood, alcohol, and foods contaminated with any of these. All seafood is halal. Based on this, the following foods are halal: Lobster, cheeseburger, hamburger and fries, shrimp and grits, thai red curry with tofu, thai red curry with chicken, and birthday cake.