Ingredients
Makes 1 9×9 (1? thick cake)
To grease pan:
Butter
Cocoa powder
For the cake:
4.25 oz (1 cup) all-purpose flour
1/2 cup unsweetened cocoa powder
1 tsp baking powder
1/2 tsp baking soda
1/2 tsp salt
1 large egg, room temperature
3/4 cup cane sugar
1/2 cup coffee, warm not boiling hot
2/3 cup plain yogurt
1/4 cup vegetable oil
1 tsp vanilla extract
For Buttercream frosting:
1 1/4 cups powdered sugar, sifted to remove clumps
1/3 cup unsalted butter, soften
1/2 cup unsweetened cocoa powder
1/2 tsp vanilla extract
1/8 tsp salt
3 tbs milk
Preparation