Red Velvet Cake

Name: Red Velvet Cake
Prep time: 25 min
Cook time: 1 h 20 min
Total time: 1 h 20 min
Yield: 12 slice
Ingredients: 340 g vegetable oil; 225 g buttermilk; 2 egg, large (65-70 g); 1 tsp vanilla extract, natural; 1 tbsp white wine vinegar; 1 - 2 teaspoon food colouring, red; 285 g sugar; 300 g all purpose white flour; 4 tbsp cocoa powder (all types); 1 ½ tsp baking soda; ¼ tsp salt; 450 g cream cheese; 225 g butter, unsalted; 285 - 340 g powdered sugar; 1 tsp vanilla extract, natural; 1 pinch salt