Ingredients
FOR CAKE:
450g all-purpose flour 18 g baking powder
300g brown sugar
340 g (1 1/2 cups ) salted butter, room temperature
360ml (1 and 1/2 cups) buttermilk, room temperature
5 large eggs, room temperature
80g full-fat sour cream, room temperature
3 teaspoons LorAnn Organic Madagascar Vanilla Extract
3 teaspoons LorAnn Maple Bakery Emulsion
FOR SWISS MERINGUE BUTTERCREAM:
2 ¾ sticks salted butter (softened and slightly melted in the microwave)
6 large egg whites, room temperature
1 ¼ cups (250g) granulated sugar
2 teaspoons LorAnn Organic Madagascar Vanilla Extract
2 teaspoons LorAnn Maple Bakery Emulsion