Hot Cocoa Pancakes

Name: Hot Cocoa Pancakes
Ingredients: 1/2 cup heavy cream; 4 ounces milk chocolate chips; 2 1/2 cups self-rising flour; 2 1/2 cups all-purpose flour; 2 1/4 cups cocoa powder; 1 1/4 cups granulated sugar; 1 tablespoon baking soda; 2 teaspoons baking powder; 1 teaspoon kosher salt; 3 cups milk; 1 3/4 cups crème fraiche; 1 3/4 cups heavy cream; 1/4 cup plus 1 1/2 teaspoons pure vanilla extract; 6 large eggs; 1 to 2 teaspoons butter, for the griddle; 6 ounces milk chocolate chips, plus extra for topping; Marshmallow cream, for topping; Chocolate curls, for topping