Twelve Layer Red Velvet Cake

Ingredients

• 1 1/2 cups butter, at room temperature
• 2 1/2 cups sugar
• 6 large eggs, at room temperature
• 1 tsp vanilla
• 1 1/2 cups buttermilk
• 1 1/2 cups milk
• 2 Tbsp red food colouring
• 4 1/2 cups all-purpose flour
• 1/2 cup cocoa
• 1 1/2 tsp baking powder
• 1 tsp baking soda
• 1/4 tsp salt
• 1 cup butter, at room temperature
• 1 8 oz (250 mL) pkg cream cheese, at room temperature
• 1 bag icing sugar
• 2-3 Tbsp water