DOUBLE-CHOCOLATE CAKE WITH SALTED CHOCOLATE CARAMEL ICING - Filippo Berio

Ingredients

• 1/2 cup plus 2 Tbs. Filippo Berio Extra Light Olive Oil, plus more for coating pan
• 1 cup all-purpose flour
• 1 cup granulated sugar
• 1/4 cup unsweetened cocoa (not Dutch processed)
• 1/2 tsp baking powder
• 1/4 tsp baking soda
• Table salt
• 1/2 cup half-and-half
• 1 tsp pure vanilla extract
• 1 large egg, lightly beaten
• 1/4 cup plus 1/3 cup mini dark chocolate chips
• 1 cup canned dulce de leche
• Flaky sea salt, optional