Lithuanian Sheet Cake and Icing

Ingredients
Cake:
 * 2 c. flour 1/4 lb.
 * soft butter 4 tsp.
 * Bakers's cocoa 1 c.
 * water 1/4 c. Crisco 1/2 c.
 * buttermilk
 * 2 eggs
 * 1 tsp. vanilla 2 tsp. cinnamon

ICING:


 * 1/4 c. butter
 * 4 tsp. Baker's cocoa
 * 1/2 box powdered sugar, sifted
 * 1 tsp. vanilla
 * 6 tsp. milk