Mocha Raspberry Snack Cake

Directions

1. 1
   Preheat oven to 350 degrees.
2. 2
   Butter a 9- by 13-inch baking pan, then line it with wax paper or parchment paper.
3. 3
   Whisk together eggs, sugar, mayonnaise and vanilla in a large bowl.
4. 4
   Place cocoa and cinnamon in small heat-proof bowl; whisk in the coffee and cold water until blended.
5. 5
   Add coffee mixture to the egg mixture in 3 parts, whisking to blend after each addition.
6. 6
   Add flour and baking soda and whisk until smooth.
7. 7
   Stir in chocolate chips until mixed, then gently fold in raspberries.
8. 8
   Pour batter into prepared pan.
9. 9
   Bake cake until a toothpick inserted in the center comes out clean, about 1 hour.
10. 10
    Let the cake cool for 10 minutes, then invert onto a rack and let cool for about 1 hour.
11. 11
    Dust cake with cinnamon, then confectioner's sugar, and cut into triangles.