Chocolate Sheet Cake

1 cube butter
 4 Tbsp cocoa
 1 cup water

 Bring to a boil.


 Add 2 cups flour and 2 cups sugar, sifted together. 
 Add 1 cup milk
 1 Tbsp vinegar
 1 tsp soda
 2 eggs
 1/2 tsp cinnamon

 Bake at 350 for 20-25 mins. 


 Frosting

 1 cube butter
 6 Tbsp milk
 3 Tbsp cocoa

 Bring to a boil.

Add 2 cups powdered sugar
 1 tsp vanilla
 1/2 cup chopped nuts

 Make about 5 minutes before cake is done and add to the cake while still hot.