Chocolate cake | Rainbow Cooking

Ingredients

• ¾ cup (180 ml / 180 gram) boiling water or hot coffee
• ½ cup (125 ml / 50 gram) cocoa
• 1¾ cup (450 ml / 210 gram) flour
• 1¾ cup (450 ml / 350 gram) sugar, but you can reduce it to 1 2/3 cup (400 ml / 330 gram) sugar
• 3 teaspoon (15 ml) baking powder
• 1 teaspoon (5 ml) salt
• ½ cup (125 ml / 110 gram) vegetable oil, but you can use a little bit less
• 7 extra large eggs
• 1 teaspoon (5 ml) vanilla
• 1 teaspoon (5 ml) cream of tartar