Bone marrow starter

Mix garlic, stock, water and gravy in a saucepan

Boil with the lid off until sauce thickens

Reduce to very low and add in the marrow

Cover with lid and leave until the marrow is soft

Turn over marrow (be gentle as the marrow may fall out) and leave on low for another 10 minutes

Serve with roll l, bread (do not butter the roll) marrow is basically fat so you don't want a heart attack