1) Portuguese cuisine 
Cebolada is a Portuguese onion stew, onion sauce or paste that is prepared with onion as a primary ingredient. Versions prepared as a paste may be slow-cooked. ==Dishes with cebolada== It may accompany various dishes, such as seafood dishes prepared with swordfish steak. Atum de cebolada is a dish prepared with tuna steak and cebolada that is prep...