Portuguese Coffee Buttercake

• 1 cup butter
• 1 cup sugar
• 4 large eggs
• 1 teaspoon vanilla extract
• 1 1/2 cups flour, all-purpose
• 1/4 teaspoon salt
• 3/4 cup milk
• 6 large egg yolks
• 1 cup sugar
• 4 teaspoons instant coffee
• 1 tablespoon vanilla extract
• 2 cups butter

1. Preheat oven to 350F (180C).
2. Beat butter in mixer bowl until smooth.
3. Beat in sugar until light and fluffy.
4. Add eggs one at a time, beating well after each addition.
5. Beat in vanilla.
6. Beat in flour and salt just until combined.
7. Spread 13 cup batter evenly on each inverted cake pan to within 1/4 inch of edge.
8. Bake 10 to 12 minutes, until lightly browned around edges.
9. With long, thin metal spatula, loosen each wafer and transfer to wire racks to cool completely.
10. Repeat on buttered, floured pans with remaining batter to make a total of 12 wafers.
11. Coffee buttercream: Heat milk in medium saucepan over medium heat just to boiling.
12. Meanwhile, whisk egg yolks and sugar together in medium bowl.
13. Gradually whisk in hot milk.
14. Return mixture to saucepan; cook, stirring constantly, over medium-low heat until mixture thickens and coats back of spoon, about 6 minutes.
15. Strain through sieve into mixer bowl.
16. Stir in coffee powder and vanilla.
17. Cool to room temperature.
18. Beat in 2 cups butter, 1 tablespoon at a time, beating well after each addition.
19. To assemble, place 1 cake wafer on serving platter.
20. Spread evenly with 13 cup buttercream.
21. Add second wafer and 13 cup more buttercream; repeat with remaining wafers and buttercream, ending with wafer.
22. Pipe remaining buttercream decoratively on top.
23. Remove from refrigerator 30 minutes before serving.

butter, sugar, eggs, vanilla, flour, salt, milk, egg yolks, sugar, instant coffee, vanilla, butter

Taken from recipeland.com/recipe/v/portuguese-coffee-buttercake-46327 (may not work)