½ cup plus 2 tbsp (3oz/85g) all purpose flour
¼ cup plus 2 tbsp (3oz/85g) granulated white sugar
¼ teaspoon cinnamon
1 tablespoon unsweetened cocoa powder
1/4 generous teaspoons baking soda
1 teaspoon salt
1 egg, at room temperature
¼ cup plus 2 tbs vegetable or canola oil
4 tablespoons buttermilk
2 teaspoon red food coloring (good quality)
1/2 teaspoons vanilla extract