For the Cake 5 cups all-purpose flour (600g) 4½ teaspoons baking powder 1½ teaspoons salt 3⅓ cups granulated sugar (666g) 1½ cups unsalted butter, softened (340g) 6 large eggs, room temperature 2 tablespoons vanilla extract 2 cups whole or low-fat buttermilk, room temperature (480mL) 1. Preheat your oven to 350°F (175°C). Grease and line your cake pans with parchment paper. 2. In a large bowl, whisk together: 5 cups flour 4½ tsp baking powder 1½ tsp salt 3. In another large b