INGREDIENTS
For the caramel filling
1 cup
sugar
2 tbsp
light corn syrup
1/4 cup
water
1/2 cup
heavy cream
1 tsp
Fleur de Sel
1/4 cup
sour cream
For the brownie
1 1/4 cups
all-purpose flour
1 tsp
salt
2 tbsp
dark unsweetened cocoa powder
11 oz
quality dark chocolate (60 to 72%), coarsely chopped
1 cup
unsalted butter, cut into 1-inch cubes
1 1/2 cups
sugar
1/2 cup
firmly packed light brown sugar
5
large eggs, at room temperature
2 tsp
vanilla extract