Chocolate Cinnamon Cake
At Room Temperature
Sifted confectioners sugar
Cream of tartar
Sift flour, cocoa, powdered sugar, and cinnamon together three times. Set
aside. In a large mixer bowl, beat the egg whites, cream of tartar, and
vanilla with an electric mixer on medium speed until soft peaks form.
Gradually add the sugar, 2 Tablespoons at a time, beating on high speed
until stiff peaks form. Transfer to a larger bowl if needed. Sift about
1/4th of the flour mixture over the beaten egg whites. Fold in gently.
Repeat, folding in the remaining flour mixture in fourths. Pour into
ungreased 10 inch tube pan. Bake on the lowest rack in the oven at 350F
for 40-45 minutes or until the top springs back when touched. Immediately
invert cake in pan; cool thoroughly. Loosen sides of cake from pan;