INGREDIENTS
7 oz
70% dark chocolate ((dairy free chocolate for dairy free version))
4/5 stick
unsalted butter ((or 1/4 cup / 60 g coconut oil for dairy free version))
1/2 cup
caster sugar
3/8 cup
cocoa powder
3
medium eggs (room temperature)
1 tsp
vanilla extract
salt
1/2 tbsp
instant coffee in 1/2 cup boiling hot water
1 cup
gluten free flour
1/4 tsp
xanthan gum
4
medium egg whites
3/4 cup
caster sugar
1/4 tsp
cream of tartar
1 tsp
vanilla extract
8
x 8 inch square baking pan at least 2 1/2 inch deep
baking thermometer
melted dark chocolate for drizzling ((optional))