Heat oven to 375°F. Grease cookie sheet with shortening or cooking spray.
In 10-inch skillet, cook beef and onion over medium heat 8 to 10 minutes, stirring occasionally, until beef is thoroughly cooked; drain. Stir in sweet potato, stout, salt and pepper. Heat to boiling. Reduce heat; cover and simmer about 8 minutes or until vegetables are tender. Uncover; cook 1 to 2 minutes longer or until liquid is evaporated.
Separate dough into 8 biscuits. Press or roll each to form 6-inch round. Place on cookie sheet. Spoon about 1/4 cup meat mixture onto center of each round. Fold dough in half over filling; press with fork to seal.
Bake 12 to 15 minutes or until golden brown.