Preheat the oven to 350°F. Line a baking sheet with baking paper.

Combine oil and sugar, in a large bowl, mix well.

Stir in egg.

Add flour, baking soda, cocoa powder and salt and mix to combine.

Fold in chocolate mini chips.

Form dough into a large rectangle, about 10 inches long by 4 inches wide, and place on the prepared baking sheet.

Bake at 350°F for 20 minutes,

Cool 5 minutes; cut crosswise while slightly warm into 12 sticks.

Place cut side up and bake at 350°F for about 10 minutes.

Carefully turn over and bake for 10 minutes more.