Recipe shared by one FB group on natural yeast :-
190gm Bread Flour
120 gm Starter, natural yeast
20gm fresh milk
70gm whip cream
37gm egg white
15 gm milk powder
45gm Brown sugar
Put all ingredients (except butter) into mixer and knead will dough is formed
Then add in butter, knead till membrane stage
First prove (as it was fully natural yeast, proving time may took longer, mine took 3 hrs) double.
Lightly knead and divide into 3 portions.
Rest 15 mins
Roll out and roll up dough like swiss roll shape.
Put into pullman tin, proved till 80% full.
Bake at preheated oven 190 C for 40 mins