INGREDIENTS
1
Egg yolk
2
Eggs
2 5/8 cups
All purpose flour
2 1/2 tsp
Baking soda
3 oz
Chocolate, Unsweetened
3/4 cup
Cocoa powder, Dutch Process
1 1/2 cups
Powdered sugar
1 1/4 tsp
Salt
2 1/4 cups
Sugar
1 1/2 tsp
Vanilla extract
1 1/8 cups
Canola oil
1 7/16 cups
Coffee
6 tbsp
Butter, Unsalted
1 5/16 cups
Buttermilk
1/4 cup
Sour cream