Classic Chocolate Cake With Buttercream Frosting

Ingredients

• 1 + ½ cups maida (all purpose flour)
• ¾ cups cocoa powder
• ½ tsp baking soda
• 1 tsp baking powder
• ¾ cup oil or butter
• 1 + ½ cups castor sugar
• 1 cup Greek yogurt
• ½ tsp vanilla extract
• ½ cup milk
• 1 tsp white vinegar
• a pinch of salt
• 1 ½ cup unsalted butter, softened to room temperature
• 3 ½ cups confectioners’ sugar
• ¾ cup unsweetened natural or dutch-process cocoa powder
• 4 tablespoons heavy cream
• 4 tablespoon melted chocolate
• ¼ teaspoon salt
• 2 teaspoons pure vanilla extract