1Preheat oven to 350º.
Pour sugar, flour, salt, soda, and cocoa into large mixing bowl and whisk to combine.
In another bowl, combine vanilla, vinegar, oil & coffee.
Add wet ingredients to gry ingredients and stir to combine.
Pour batter into ungreased 8 x 8 pan.
Bake 30-40 minutes, or until toothpick tests clean.
Dust with powdered sugar after cool.