Recipe: Boston cream cake | Style at Home

Ingredients

• 1⁄2 cup sugar
• 4 teaspoons cornstarch
• Pinch kosher salt
• 2 cups milk
• 2 large eggs
• 1-1⁄2 cups all-purpose flour
• 1-1⁄2 teaspoons baking powder
• 1⁄2 teaspoon baking soda
• 1⁄8 teaspoon kosher salt
• 6 tablespoons unsalted butter, softened
• 3⁄4 cup sugar
• 1 tablespoon extra-virgin olive oil
• 1 teaspoon vanilla extract
• 1 tablespoon orange zest
• 3⁄4 cup freshly squeezed orange juice
• 2⁄3 cup light corn syrup
• 2 tablespoons dark rum
• 8 ounces semisweet chocolate, finely chopped