golden fudge cake

Ingredients

• 2 1/2 cups cake flour
• 2 teaspoons baking powder
• 1/2 teaspoon kosher salt
• 1 cup plus 2 tablespoons unsalted butter, softened at room temp
• 1 2/3 cup sugar
• 2 large eggs, room temp
• 2 large egg yolks, room temp
• 1 cup (whole) milk, room temp
• 2 teaspoons vanilla extract
• 12 tablespoons unsalted butter (divided)
• 1 cup packed light brown sugar
• 1/4 cup light corn syrup
• 1/3 teaspoon kosher salt
• 1 cup heavy whipping cream
• 1 oz unsweetened chocolate, finely chopped
• 7 oz bittersweet chocolate, finely chopped
• 2 teaspoons pure vanilla extract