INGREDIENTS
1
Meringue mushrooms
5
Eggs, large
2 tbsp
Corn syrup, light
12 oz
60% bittersweet chocolate
1/2 cup
Cake flour
1/4 tsp
Cinnamon, ground
1
Cocoa, Unsweetened
2 tbsp
Confectioners' sugar
1
Confectioners' sugar
1/4 tsp
Cream of tartar
7/8 cup
Granulated sugar
1/4 tsp
Salt
2 tbsp
Sugar
1 tsp
Vanilla
1/2 cup
Espresso or very strong black coffee
1/2 stick
Butter, unsalted
1 1/4 cups
Heavy cream
8 oz
Mascarpone cheese
2 tbsp
Cognac or brandy
A 15- by 10- by 1-inch rimmed sheet pan (aka jelly-roll pan; small offset spatula (optional, but really helpful); long rectangular or oval platter or wooden serving board