Vanilla Bean Cake Recipe

Name: Vanilla Bean Cake Recipe
Cuisine: American
Ingredients: 2 sticks unsalted butter, slightly softened ((226g) ); 2 cups granulated sugar ((400g)); 3 large eggs, room temperature ((If in a hurry, place eggs in a bowl of warm water for five minutes.)); 1 cup sour cream (we use full fat) ((242g)); 1/3 cup milk (we use whole milk) ((81g)); 1 Tablespoon plus 2 teaspoons Vanilla Bean Paste (you can substitute vanilla extract if you like); 3 cups cake flour *See substitution below ((342g)); 3 teaspoons baking powder ((12g)); 1/2 teaspoon salt ((4g)); 3 sticks unsalted butter ((354g) ); 9 cups powdered sugar ((1035g)); 3 teaspoons vanilla bean paste (adjust amount to your liking) ((12g)); 1/2 to 1 teaspoon salt (optional to cut sweetness); 1/4 cup milk (adjust based on desired consistency) ((60g))