My robot brain required dessert and there was this cake recipe...

Chocolate Snack Cake

Slightly adapted from the Perfect Cake by America's Test Kitchen

Ingredients

• 1 c. all-purpose flour
• 1/2 c. whole wheat flour
• 1 c. sugar
• 1/2 tsp. baking soda
• 2/3 c. mayonnaise
• 1 large egg
• 2 tsp. vanilla extract
• 1/2 c. cocoa powder (preferably Dutched)
• 50g dark chocolate, chopped
• 1 c. coffee, hot

Directions

1. Preheat oven to 180°C (350&def;F) and grease and flour a 20cm (8") square baking pan.
2. Combine flours and sugar and sift in baking soda.
3. In a separate bowl, combine mayo, egg, and vanilla.
4. In a third bowl, combine cocoa and chocolate.
5. Pour hot coffee over chocolate mixture and whisk until smooth.
6. Gradually whisk chocolate mixture into egg mixture until fully combined.
7. Pour wet mixture into dry and stir to combine.
8. Pour batter into prepared pan and bake at 180°C (350°F) for 35-40 minutes.
9. Remove from oven and let cake cool in pan for ~1 hour.
10. If desired, dust with icing (powdered/confectioners') sugar before serving.