Ingredients:
1/2 egg
125ml butter
75g of sugar
80ml vegetable oil
35g cocoa powder
60ml vegetable oil
4g baking powder
1/4 teaspoon vanilla powder
325g of flour
Preparation:
1. Beat soft butter with sugar until pale and fluffy. Add 1/2 egg and vegetable oil. Work the mixture with a hand mixer until smooth, then add flour and baking powder.
2. Beat the cocoa powder with 60 ml of vegetable oil.
3. Cut dough into thirds and tint one third with cocoa mix.
4. Cut one ball of cocoa dough and one ball of undyed dough into 5 pieces, roll each into a roll.
5. Line the strips of cocoa mass with regular strips to form a striped layer.
6. Shape a ball of leftover undyed dough into a log.
7. Place the log on top of the striped layer and roll, pressing lightly.
8. Let the roll cool for 30 minutes, then cut the log into individual cookies.
9. Bake at 190C/375F for 20 minutes