Buttermilk Cakes with Honey Caramel

Name: Buttermilk Cakes with Honey Caramel
Ingredients: For the buttermilk cakes:; 3/4 cup 2 tablespoons all-purpose flour; 1/2 teaspoon baking powder; 1/4 teaspoon baking soda; 1/4 tablespoon salt (yes, TABLESPOON); 2 tablespoons unsalted butter; 6 tablespoons sugar; zest half a lemon; 1/2 teaspoon vanilla; 2 egg yolks; 1/2 cup buttermilk, room temperature; For the honey caramel:; 3 tablespoons heavy cream, divided; 6 tablespoons good-quality honey; 1/4 teaspoon corn syrup; 1/4 tablespoon butter; /18 teaspoons vanilla; 1/4 teaspoon salt; berries, whipped cream, Greek yogurt or gelato, for serving