Classic Vanilla Layer Cake with Buttercream Frosting

Ingredients

• 3-piece round cake pan set
• Mixing bowls
• Electric hand mixer or stand mixer
• Spatula
• Cooling rack
• 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, room temperature
• 1 tbsp vanilla extract
• 1 cup buttermilk, room temperature
• 1 cup unsalted butter, softened
• 4 cups powdered sugar
• 2 tsp vanilla extract
• 3-4 tbsp heavy cream or milk