Chocolate Eclair Crepe Cake

Directions

1. 1
   Using a blender, mix 2 cups flour, 2 cups milk, 4 eggs, 1/2 teaspoon vanilla and 1/2 teaspoon salt until smooth; refrigerate.
2. 2
   In a medium saucepan, whisk together the 1 cup heavy cream, remaining 1-1/4 cups milk, 1/2 cup sugar and 1 pinch salt.
3. 3
   Cook over medium heat until steaming, 2 minutes.
4. 4
   In a medium bowl, whisk together the remaining 2 eggs and 1/2 cup sugar.
5. 5
   Whisk in the remaining 2/3 cup flour until smooth.
6. 6
   Gradually whisk half of the hot cream mixture into the flour-egg mixture, then whisk into the remaining cream mixture.
7. 7
   Cook, whisking, over medium heat until thick, about 2 minutes; stir in the rum and the remaining 1 teaspoon vanilla.
8. 8
   Scrape the pastry cream into a bowl and refrigerate, stirring occasionally, for 20 minutes.
9. 9
   In an 8-inch crepe pan or nonstick skillet, melt 1 teaspoon butter over medium-high heat.
10. 10
    Add 1/3 cup chilled crepe batter and swirl to coat the pan.
11. 11
    Cook until set on the bottom, about 1 minute; flip and cook for about 30 seconds more.
12. 12
    Turn out onto a rack to cool.
13. 13
    Repeat with the butter and remaining batter to make 10 crepes.
14. 14
    Place a crepe on a cake stand or flat plate; spread 1/3 cup pastry cream on top.
15. 15
    Repeat with the remaining crepes and pastry cream, ending with a crepe.
16. 16
    Refrigerate.
17. 17
    In a medium saucepan, whisk the chocolate, 3 tablespoons water, the corn syrup and remaining 2 teaspoons butter over medium-low heat until smooth.
18. 18
    Let cool for 5 minutes; spread on top of the cake, letting it drip down the sides.
19. 19
    Refrigerate for at least 1 hour or up to 2 days before slicing.