INGREDIENTS
3/4 cup
unsweetened cocoa powder
1 1/4 cups
hot water
2/3 cup
sour cream
2 2/3 cups
all purpose flour
2 tsp
baking powder
1 tsp
baking soda
1/2 tsp
salt
3/4 cup
unsalted butter, softened
1/2 cup
vegetable shortening
1 1/2 cups
sugar
1 cup
firmly packed brown sugar
3
large eggs, at room temperature
1 tbsp
vanilla extract
1/2 cup
heavy cream
1 tsp
fleur de sel
1 cup
sugar
2 tbsp
light corn syrup
1/4 cup
sour cream
1 lb
dark chocolate, chopped
1 1/2 cups
heavy cream
1 cup
sugar
2 tbsp
light corn syrup
2 cups
unsalted butter, softened but still cool and cut into ½ inch pieces
2 tsp
fleur de sel