This mixture is easy to make, it does have quite a few ingredients and takes some time to prepare.
If you are a vegetarian, just replace the suet with vegetarian suet. Vegetarian suet is also suitable for a gluten free pudding but use gluten free bread for the breadcrumbs and gluten free flour aswell if required.
When re-heating on Christmas day, ensure you mix a tablespoon of brandy mixed with a teaspoon of vodka to pour over to light the pudding. The vodka will give a brighter flame than the brandy alone.