@reginablanco, There are alot of different recepies ,but for especially this one is something similar:
34 g
Butter
, plus extra for coating ramekins
98 g
Sugar
, granulated, divided, plus extra for coating ramekins
34 g
Bread flour
7 g
Salt
188 g
Milk
, whole
135 g
Dark chocolate
, 70%
68 g
Egg yolk
, about 3
112 g
Egg white
, from about 5 eggs
Powdered sugar, as needed