Triple Chocolate Layer Cake

INGREDIENTS

and 3/4 cups (220g) all-purpose flour (measured correctly)

and 3/4 cup (350g) granulated sugar

3/4 cup

unsweetened natural cocoa powder (not dutch processed)*

1 tsp

baking powder

2 tsp

baking soda

1 tsp

salt

1 cup

buttermilk, at room temperature*

1/2 cup

vegetable oil (or canola oil, or melted coconut oil)

large eggs, at room temperature*

1 tsp

pure vanilla extract

1 cup

freshly brewed strong hot coffee*

1 1/4 cups

or 290g) unsalted butter, softened to room temperature

3 cups

(360-480g) confectioners' sugar

3/4 cup

unsweetened cocoa powder (natural or dutch process)*

3 tbsp

(45-75ml) heavy cream (or half-and-half or milk)

1 tsp

pure vanilla extract

1 tsp

salt (to taste)

optional for decoration: semi-sweet chocolate chips