Chocolate Fudge Cake - zaynabissa.com

Name: Chocolate Fudge Cake - zaynabissa.com
Cuisine: American
Ingredients: ½ cup warm strongly-brewed coffee (or 3/4 tsp instant coffee dissolved in 1/2 cup warm water); ½ cup buttermilk; 1 cup granulated sugar; ¼ cup olive oil; 1 large egg; 1 egg yolk; ½ cup dutch-processed cocoa powder; 1 teaspoon cornstarch; 1 cup all-purpose flour; 1 teaspoon baking soda; ¾ teaspoon baking powder; ¾ teaspoon kosher salt; ½ cup heavy cream; ½ cup (4oz) semi-sweet chocolate, chopped; ¼ cup (2oz) cream cheese (or 1/2 cup butter and no cream cheese); ¼ cup (2oz; 1/2 stick) salted butter (or 1/2 cup cream cheese and no butter); 1¼ cups icing sugar, sifted; ¼ cup dutch-processed cocoa powder, sifted; Sprinkles, flaky salt, nuts, or fruit, for serving.