Red velvet cake - Cook with Princess

Ingredients

• Ingredients for the cake
• 120 gr unsalted butter
• 250 fine cristalsugar
• 2 eggs
• 50 gr cacaopowder
• 2 tsp vanilla extract
• Red food pigment
• 250 ml buttermilk
• 300 gr flour
• Pinch of salt
• 2 tsp baking soda
• 2 tsp lemonjuice
• 100 gr dark chocolate
• Ingredients for the frosting
• 200 gr butter
• 300 gr cream cheese
• 1 tsp vanilla extract
• 200 gr powdered sugar
• Grater of an orange