Mix sugar and oil. Add eggs one at a time and mix well after each. Stir in vanilla and vinegar, add food coloring. Mix till blended.
Stir baking soda into buttermilk and add to mixture.
Add flour, baking powder, salt, and cocoa. Mix Well.
Bake in 2 greased 8” round cake pans, or a 9x13” pan, at 350° for 30 minutes.
While the cake is cooking, place ¾ cup milk and ½ cup sugar in saucepan and heat to dissolve sugar. When cake is done, remove from oven; pour hot dissolved sugar over the hot cake while still in pans. Allow to cool and remove from pans.