Vanilla Naked Cake

Name: Vanilla Naked Cake
Prep time: 45 min
Cook time: 25 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 3 and 3/4 cups (443g) sifted all-purpose flour* (spooned & leveled); 2 teaspoons baking powder; 3/4 teaspoon baking soda; 1 teaspoon salt; 1 and 1/2 cups (3 sticks; 345g) unsalted butter, softened to room temperature; 2 cups (400g) granulated sugar; 5 large eggs, at room temperature; 1 Tablespoon pure vanilla extract (yes, Tbsp!); 1 and 3/4 cups (420ml) buttermilk, at room temperature*; optional: 1-2 cups fresh raspberries (or other berry, see note); 5-6 cups (600-720g) confectioners’ sugar; 5-6 Tablespoons (75-90ml) heavy cream; 1 teaspoon pure vanilla extract; 1/4 teaspoon salt; finishing decorations (see post above for inspiration!)