Ingredients: 1 cup all-purpose flour 3/4 cup sugar 1/2 cup cocoa powder 1 teaspoon vanilla 1 egg 1/3 cup oil 1/2 cup milk (fresh or tetra pack) 1 teaspoon coffee powder 1/2 cup boiling water 1 teaspoon baking powder 1/2 teaspoon baking soda 1/4 teaspoon salt ...