Kraut Bierocks

INGREDIENTS

• 1 1/2 (.25 ounce) packages active dry yeast
• 1/2 cup white sugar
• 2 cups warm water
• 4 cups all-purpose flour
• 1/2 cup powdered milk
• 1 1/2 teaspoons baking powder
• 1/2 cup shortening
• 1 pound lean ground beef
• 1 pound ground Italian sausage
• 1 cup chopped onion
• 3 cups shredded cabbage
• 3 tablespoons prepared mustard
• 2 teaspoons salt
• 2 teaspoons ground black pepper
• 1/2 cup shredded, processed American cheese
• 1/2 cup shredded Cheddar cheese