I love croquettes, it is one of the dishes I grew up with in Catalonia. They are very popular with young children, and many times they are made in big batches and frozen so that they are always available. They have many variations, and you can make them with ham, cheese, fish, potatoes, etc., but these ones made with chicken are the most popular ones. They are delicious! Many times, people use the leftover chicken from a roast or a casserole to make the croquettes. Some people also add some mash potato in the mix, but they are not as 'melting in the mouth' as these ones. This is a very old recipe from a book that I inherited from my grandmother and it is called 'Art de ben menjar' - (The art of eating well)!! Ingredients 25g butter 1 medium onion, chopped finely 100g Serrano ham or prosciutto, finely chopped 500g chicken breasts or thighs, previously cooked (it can be leftover roast chicken), finely chopped 3 Tbsp plain flour 500ml milk salt and freshly ground black ...