Chocolate Cake No Eggs or Butter

3 cups flour 2 cups sugar 1 teaspoon salt 2 teaspoons baking soda 2/3 cup cocoa (can use less) 1 teaspoon vanilla essence 2 tablespoons vinegar 2/3 cup[...]

nonstick vegetable cooking spray 3 cups all-purpose flour 2 cups sugar 2/3 cup sifted natural unsweetened cocoa powder (sifted, then measured) 2 teaspoons[...]

1 (18 ounce) box chocolate cake mix (Duncan Hines preferred) 3 eggs (or as called for by your cake mix) 1/3 cup oil (or as called for by your cake mix) 1 1/3[...]