Paella is a spanish rice dish that originated in Valencia. Spain. There are three popular types of paella: Valencian paella (paella VALENCIANA). Seafood paella (paella MARINERA) and mixed paella (paella CAMPESINA). But there are many other variations AS well. most paella chefs USE CALASPARRA or bomba rices for this dish. Other KEY ingredients include saffron. Smoked paprika. Olive OIL. Peas. Roasted RED bell peppers. Garlic. Onions. Green and RED peppers. And salt.