-
Preheat oven to 350°. Lightly oil an 8 inch x 8 inch baking pan.
-
Place nyimo, cocoa powder, sugar, oil, milk, vanilla, baking powder and salt into a food processor bowl and blend until completely smooth, stopping to scrape down sides of bowl as needed.
-
Spread batter evenly into prepared pan. Distribute a few dollops of peanut butter on the top of batter and swirl with a knife or chopstick. Sprinkle with chocolate chips.
-
Bake until a toothpick inserted into the centre comes out clean, about 22-24 minutes, until a toothpick inserted into the centre comes out clean.
-
Remove from oven and transfer to a cooling rack. Allow to cool completely before cutting.
-
Cut into 9 squares and serve.