Naked Cake

Name: Naked Cake
Prep time: 1 h
Cook time: 30 min
Total time: 1 h 30 min
Cuisine: American
Ingredients: 3 cups all-purpose flour ((360g)); 2½ teaspoons baking powder; ½ teaspoon salt; 1¼ cups unsalted butter (softened (284g)); 2 cups granulated sugar ((400g)); 4 large eggs (room temperature); 1 tablespoon vanilla extract; 1⅓ cups whole milk (room temperature (320ml)); 1½ cups unsalted butter (room temperature (340g)); 1 teaspoon vanilla; ¼ teaspoon salt; 6 cups powdered sugar ((720g)); 5 to 6 tablespoons heavy cream (room temperature (75-90ml))