INGREDIENTS
4
Egg whites, large
2
Eggs
1 1/2 tsp
Baking powder
1 1/2 tsp
Bicarbonate of soda
6 tbsp
Caramel, salted
850 g
Castor sugar
85 g
Cocoa powder
200 g
Dark chocolate
225 g
Plain flour
3 1/2 tsp
Sea salt flakes
3 tsp
Vanilla
125 milliliters
Vegetable or sunflower oil
280 g
Butter, unsalted
250 milliliters
Buttermilk
480 milliliters
Double cream
250 milliliters
Coffee or boiling water, very hot
60 milliliters
Water