Mix together the flour, salt and sugar.
225 g self raising flour, Pinch of salt, 30 g caster sugar (superfine sugar)
Rub in the butter roughly.
55 g butter
Stir in the milk to make a soft dough.
150 ml milk
Stir in the chocolate chips or other filling.
100 g chocolate chips
Bring it together gently and form it into a round. Score the top with a knife where you will cut the individual triangles.
Line your slow cooker pot and put the dough in gently.
Cook on high for approx 1.5 hrs or until a skewer comes out clean, with a tea towel under the lid to stop water dripping on top of the dough.
Remove from the pot and allow to cool then slice into triangles.