I forgot the salt and Cocoa powder in the Cabinet for the picture >-< They appear later on though.
Step 1. Gather up your ingredients.
Step 2: Get 2/3 cup of flour and put it into a small bowl. Remove 1 Tablespoon of the flour and put it back into the container. Now take 1 Tablespoon of Corn Starch and mix it with the flour. This will give you 2/3 cup of "cake flour".
*Blurry photo
Step 3: Now mix the Flour and Corn starch into a bowl with 1/2 cup of cocoa powder and 1/4 teaspoon of salt. Blend them together evenly. It will help when mixing it into the cake batter later. (I moved it to a slightly larger bowl due to more contents)
Pre-mixed-
Mixed-
Step 4: In a Large bowl, break open your 6 eggs, pour in 2 teaspoons of Vanilla Extract and add in your 2 teaspoons of Instant Coffee Powder. With an electric beater you will need to blend them together until they are kind-of bubbly and airy.
Pre-beaten-
Beaten-
Step 5: Now you will add 1 cup of sugar to the egg mixture. Use the beater to blend it together, don't add it all at once though, you want to slowly integrate it all into the mixture until it is blended thoroughly and slightly airy again. (Didn't take a picture of this step because it will look the same as previous step after it is beaten)
Step 6: Pre-heat your oven to 350 degrees Fahrenheit. It will most likely be done preheating as you finish this step. With a Spatula you will be folding the cocoa mixture (cocoa, flour and salt from earlier) into the egg mixture you just made. Pour about 1/3 or 1/4 of the cocoa mixture into the bowl with the eggs and fold the egg mixture over the cocoa mixture until it is mixed into it. Keep repeating this until all of the cocoa mixture is mixed into it.
Step 7: In a rectangular 10x16 inch un-greased pan, pour the mixture until it covers the pan. I used Parchment paper and Aluminum foil over the pan so I could pull it out later. (it stuck to the paper a good deal but it would have been worse if it were directly in the pan) Place it in the oven around the middle and cook at 350 Fahrenheit for 10 minutes or until the cake seems done and is a little airy.
Cooking-
Done Cooking
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Step 8: When the cake is done cooking set it aside for it to cool completely so the icing can be put on later.