INGREDIENTS
1/3 cup
cocoa powder
1/2 tbsp
instant coffee granules
1/2 cup
plus 2 tablespoons boiling water
2 oz
dark chocolate chopped
1/4 cup
unsalted butter
1/2 cup
plus 2 tablespoons vegetable oil
2
large eggs plus 1 large egg yolk
2 tsp
vanilla extract
2 1/2 cups
granulated sugar
1 3/4 cups
all purpose flour
1/2 tsp
salt