Some boudin has a reddish hue; this is most likely boudin rouge (also called boudin noir), which is made with pig's blood, and is similar to blood sausage or black pudding. Boudin rouge may be ...

But there are many butifarra variations: One common version, for example, contains pork blood and resembles other kinds of black sausage, sometimes with the inclusion of rice in the filling ...

A blutwurst is blood sausage and, yes, it contains pig or beef blood. All god’s wursts got a place in the choir, some sing ...

Pork is the most common meat used and it ... Black pudding: This soft, sliceable blood-sausage can be divisive, but its sweet and mild flavour is a good addition to other meats, as in Nigella's ...