INGREDIENTS
1/2 cup
plus 1 tablespoon powdered sugar
1 1/4 cups
all-purpose flour
1/4 cup
Dutch-processed cocoa powder
1/2 cup
unsalted butter, diced
1
large egg yolk
3/4 tsp
vanilla extract
2 cups
granulated sugar
1/2 cup
water
1/4 cup
light corn syrup
1/2 cup
unsalted butter, cut into tablespoons
1/2 cup
heavy cream
2 tbsp
creme fraiche or sour cream
1 pinch
flaky sea salt
1/2 cup
heavy cream
3 1/2 oz
bittersweet chocolate, finely chopped (Fleming requests your “best quality”)
1 pinch
flaky sea salt