Before u start slice 16 small cubes of butter about the size of a small ice cube and freeze on a tray. (This is besides the other butter in recipe )
In mixer with a dough hook mix flour , sugar and salt on low speed. Add in yeast. Mix again. Add in milk and egg and mix on high for 8 minutues. Add in butter. Mix for 5 minutues more. Divide dough into 16 equal rounds. Leave to rest for 10 minutues on greaseproof paper. Flatten each ball , turn over and place ice cube size butter inside and pinch to form a bun . Once all 16 are done leave to rise on a greased oven tray in a warm area .
Icing ( to be piped or spread over before baking )
mix icing sugar and butter till soft and creamy , add eggs in 1 at a time . Add in coffee and keep beating , slowly add in flour a little at a time. ( u may not need all or u may need a little more ) jus check consistency. needs to b jus firm enough to pipe. Put the icin into pipin bag and in the fridge for at least half an hour before using it.
Wen u ready to bake , pipe on icing over buns in a spiral shape just over the top and a bit on the sides. Bake on 200 deg for between 12- 15mins