The Best Easy Chocolate Cake

Difficulty: easy Prep Time: Ten Minutes Total Time: Under an hour
1 1/2 cups all-purpose flour
1 cup sugar
1/2 tsp baking soda
1/4 tsp salt
1/2 cup cocoa powder
2 oz unsweetened dark chocolate, finely chopped
1 cup hot coffee
2/3 cup mayonnaise
1 large egg
2 tsp vanilla

Preheat oven to 350°F. Whisk together flour, sugar, baking soda and salt in large bowl. In separate bowl, combine cocoa powder and chocolate. Pour hot coffee over cocoa mixture and whisk until smooth, let cook slightly. Whisk mayonnaise, egg and vanilla into cooled chocolate mixture. Gently fold into dry ingredients. Mix until combined. Pour into greased 8"×8" pan. Bake for 20 - 35 minutes.