Sift together flour, sugar, baking powder, and salt. Make a well and add in order: veg. oil, egg yolks, water and vanilla. Whip egg whites until stiff. Fold yolk mixture into whites. Fold chocolate in last. Put into angel food cake pan and bake at 180ÂșC until done, about 50-60 minutes. Mocha frosting: Combine cocoa and coffee, then add butter and vanilla. Add sugar gradually until correct consistency.JM. ----