Cinnamon Mocha Sheet Cake

Step 1 -Preheat the oven to 350 degrees F.

Step 2 -Grease a jelly roll pan.

Step 3 -Melt 1/4 cup of the butter in a saucepan.

Step 4 -Stir 1/12 cup of the cocoa, the water, and the instant coffee into the butter mixture and beat until it is smooth.

Step 5 -In a bowl, combine the granulated sugar, the brown sugar, the flour, 3/8 teaspoon of the cinnamon, and the baking soda together.

Step 6 -Add the cocoa mixture, the vanilla, 1/8 cup of the milk, and the 1/2 egg to the sugar mixture and mix until well blended.

Step 7 -Pour the mixture into the prepared pan.

Step 8 -Bake the cake until a toothpick inserted in the center comes out clean, about 18 minutes.

Step 9 -Let the cake cool in the pan.

Step 10 -While the cake is cooling, melt the remaining butter in a saucepan.

Step 11 -Stir the remaining cocoa, the brewed coffee, the remaining cinnamon, and the remaining milk into the butter and mix until it is smooth.

Step 12 -Slowly beat the powdered sugar into the icing mixture and mix until smooth.

Step 13 -Ice the cake, then cut it into eight slices.

Step 14 -Serve.