Chocolate Cake with Cheesecake Swirl

Ingredients Cake : ¾ cup (65 gr) cocoa powder, plus extra for pan 6 ounces (170 gr) chocolate chips 1 teaspoon instant coffee ¾ cup (180 ml) boiling water 1 ¾ cups (240 gr) flour 1 teaspoon salt 1 teaspoon baking soda 1 teaspoon baking powder 1 ¾ cups (350g) granulated sugar 3 large eggs 1 cup (240 gr) sour cream, room temperature ½ cup (120 ml) vegetable or canola oil 1 tablespoon vanilla Cream cheese filling: 12 ounces (335g) full-fat block cream cheese, softened to room temperature 1 large egg 1/4 cup (50g) granulated sugar 1/2 teaspoon vanilla extract Pan size: 10-inch bundt pan Salted Caramel Sauce recipe: https://www.youtube.com/watch?v=r82u-LbScTg&t=165s