INGREDIENTS
1
Egg, large
1/3 cup
Chocolate-hazelnut spread
2 1/4 cups
All-purpose flour
3 1/2 oz
Bittersweet chocolate
1/4 cup
Cocoa powder, unsweetened
1 tbsp
Granulated sugar
1 tsp
Salt
1
Sanding sugar
1 cup
Butter, unsalted
1/3 cup
Heavy cream
7 tbsp
Water