1¾ cups all purpose flour
2 cups granulated white sugar
¾ cup unsweetened cocoa powder
1½ tsp baking soda
¾ teaspoon salt
2 large eggs
1 cup buttermilk (or substitute by putting 1 tbsp white vinegar in a cup then filling the rest up with milk; let stand 5 minutes until thickened)
½ cup butter, melted
1 tbsp vanilla extract
1 cup freshly brewed hot coffee (or 2 tsp instant coffee in 1 cup boiling water)