Ingredients

For the Cake:

• 2 ½ cups all-purpose flour
• 2 ½ tsp baking powder
• ½ tsp baking soda
• ½ tsp salt
• 1 cup unsalted butter (softened)
• 1 ¾ cups granulated sugar
• 4 large eggs
• 1 tbsp pure vanilla extract
• 1 cup buttermilk

For the Vanilla Buttercream:

• 1 cup unsalted butter (softened)
• 3 ½ cups powdered sugar
• 2 tsp pure vanilla extract
• 2-3 tbsp heavy cream
• Pinch of salt