Plus, it only dirties one bowl!
Coat a 9-inch round cake pan with cooking spray.
Line the pan with a circle of waxed paper.

Jen Causey
Whisk flour, granulated sugar, cocoa, baking powder, baking soda and salt in a large bowl.
Add buttermilk, brown sugar, egg, oil and vanilla.
Beat with an electric mixer on medium speed for 2 minutes.

Jen Causey
Add hot coffee and beat to blend.
(The batter will be quite thin.)
Pour the batter into the prepared pan.

Jen Causey
Bake the cake until a skewer inserted in the center comes out clean, 30 to 35 minutes.
Dust the top with confectioners' sugar before slicing.
Whole-wheat pastry flour may also be ground finer than regular whole-wheat flour and typically has a lower gluten content.

Jen Causey
Store in the freezer.
you’ve got the option to use buttermilk powder prepared according to package directions.
Or make sour milk: Mix 1 tablespoon of lemon juice or vinegar to 1 cup milk.
- Daily Values (DVs) are the recommended amounts of nutrients to consume each day.
(-) Information is not currently available for this nutrient.