Cheddar Black Pepper Biscuits

Name: Cheddar Black Pepper Biscuits
Ingredients: 2 cups all-purpose flour; 1 cup white whole wheat flour (use all-purpose if you don’t have whole wheat); 2 Tablespoons sugar; 4 1/2 teaspoons baking powder; 3/4 teaspoon cream of tartar; 3/4 teaspoon salt; 1/2 cup shortening, cold and cut into cubes; 1/4 cup butter, cold and cut into cubes; 1 egg, beaten; 3/4 cup buttermilk, cold; 3/4 cup grated sharp cheddar cheese; 1/2 teaspoon freshly ground black pepper; a touch of heavy cream and black pepper for topping the biscuits before baking