-
Pre-heat the oven to 175 degrees.
-
Grease the tin well or use parchment paper or silicon mold.
-
Mix the oil, the sugar, the eggs, the milk and the baking powder together.
-
Divide the batter into two equal parts.
-
Put 175 g flour and the vanilla extract in a bowl, and stir together until well combined.
-
Mix the cacao powder and 120 g flour carefully into the other half.
-
Mix until you have a smooth mixture.
-
Pour alternatively the two mixture in a pan.
-
-
Bake for almost 50 minutes or until a toothpick inserted into the center comes out clean.