Red Velvet Cake a.k.a "Devil Food Cake"

Ingredient:
250g( 2 1/2 cups)     - Cake Flour
1/2 tsp                      -  Salt
15g (2tbsp)               - Cocoa powder
115g (1/2cup)           - Unsalted Butter
300g (1 1/2cup)        - Caster Sugar
2                               - Large Egg
1tsp                           - Vanilla Extract
240ml(1cup)              - Buttermilk
2tbsp                         - Red Co-louring
1tsp                           - White distiled vinegar
1tsp                           - Baking Soda

Cream Cheese Frosting
250g                        - Cream Cheese
250g                        - Mascarpone cheese
1tsp                         - Vanilla Extract
115g(1cup)              - Icing Sugar
360ml (1 1/2cup)     - Whipping Cream

Method:
1. Sifted Flour, salt and cocoa powder in a bowl
2. Beat butter until soft and add in sugar(until creamy white), add in eggs(one at a time), add vanilla
3. Add flour into butter mixture, separated into 3 portion
4. IN SEPARATE A= Mix butter milk and R.Colour, B=Soda and vinegar(It will fizz and quickly pour into mixture). Pour butter milk into mixture too
5. After a good blended mixture, divided into 2 9Inc cake mould, and cooked in preheated 175'C, for 30min
6. After done, cool it with cake wire and wrap it with plastic wrapper, place in refrigerator at least an hour or overnight. (This is done to make filling and frosting the cakes easier.)
7. (optional cut into 4 layers or 2)

Cream Cheese:
1. Beat Cream cheese first and add in mascarpone cheese until smooth, add vanilla
2. Add in Icing and gradually add cream, whip until frosting is thick enough to spread
(Add more sugar/cream to get right condensity)

Notes:
Buttermilk can be substitude by making
<2tbsp (lemon juice/vineger) to 1 cup of Milk>
OR <2tsp Cream of tartar to 1 cup of milk>

Ref:
http://www.joyofbaking.com/RedVelvetCake.html