Examples of ‘crozzled’ can be found on the edges of a cottage pie or rice pudding, or a stew done in the oven. Fried or grilled foods are particularly good at producing crozzle. Cracklin is a perfect example of ‘crozzled’ food, as is well done bacon.
‘Crozzled’ is a category of cooking which fills that culinary gap between ‘crusty’ and ‘burnt’ though some use it to describe burnt as well.
I know this word is used in Lincolnshire and in Yorkshire but I’m not sure of the extent of its usage. Do you use it? Its a great word!