Honey Chamomile Cake

Name: Honey Chamomile Cake
Cuisine: European, Mediterranean, French
Ingredients: 1 cup whole milk; 3 tablespoons dried chamomile flowers; 3½ cups sifted cake flour; 1 tablespoon plus 1 teaspoon baking powder; ½ teaspoon fine sea salt; 2 sticks unsalted butter, softened; 2 cups sugar, divided; 1 teaspoon vanilla; 8 large egg whites; ½ teaspoon cream of tartar; 1½ cups sugar; 4 tablespoons water; 2 teaspoons vanilla; 6 sticks unsalted butter, softened; ½ cup wildflower honey