Preheat oven to 350 degrees Fahrenheit.

Beat eggs and sugar. Add remaining ingredients.

Remove one cup of batter, add cocoa and mix well. Set aside.

Divide remaining batter into three parts.

Grease a cookie sheet. Arrange three individual strips of heavy aluminum foil on cookie sheet. Spread batter evenly into the three sections. Spread cocoa batter lengthwise along the center of each strip.

Sprinkle cinnamon and sugar over tops. Bake at 350 degrees Fahrenheit for 45 minutes.