Chocolate-Mayonnaise Cake

2 cups all-purpose flour

2/3 cups unsweetened cocoa 

1 teaspoon baking soda

1 teaspoon cinnamon

1/4 teaspoon table salt

1/4 teaspoon baking powder

Shortening or butter spray

3 large eggs

1 2/3 cups firmly packed brown sugar

2 teaspoons vanilla extract

1 cup mayonnaise

1 1/3 cups hot water

Chocolate-Cream Cheese Frosting

1 (8 ounce) package cream cheese

1/2 cup butter, softened

2 teaspoons vanilla extract

1 (32 ounce) package powdered sugar

1/2 cup unsweetened cocoa

5-6 Tablespoons heavy cream

1.  Preheat oven to 350 degrees F.  Whisk together flour and next 5 ingredients in a medium bowl.  Grease (with shortening) and flour a 13 x 9 inch pan.

2.  Beat eggs, sugar, and vanilla at medium-high speed with a heavy-duty electric stand mixer about 3 minutes or until mixture is very l right brown and ribbons form when beater is lifted.  Add mayonnaise, and beat at low speed until combined.  

3.  Add flour mixture to egg mixture alternately with hot water, beginning and ending with flour mixture.  Beat at low speed just until blended after each addition.  Pour batter into prepared pan.  

4.  Bake at 350 for 30-35 minutes or until wooden pick inserted in center comes out clean.  Cool completely on a wire rack (about 1 hour). Spread Chocolate-Cream Cheese Frosting on cake.  

Makes 12-15 servings

For frosting, 

Beat first 3 ingredients at medium speed with an electric mixer until creamy.  Whisk together powdered sugar and cocoa in a medium bowl; gradually add to butter mixture alternately with 5 Tablespoons cream.  Beat at low speed until blended after each addition.  (If needed, add up to 1 Tablespoon cream, 1 teaspoon at a time, to reach desired consistency.)  Increase speed to medium, and beat 1-2 minutes or until light and fluffy.