• 2 pkgs (1/4 ounce each) active dry yeast
• 1/2 cup warm water (110 to 115 degrees)
• 3/4 cup warm milk (110 to 115 degrees)
• 1/4 cup sugar
• 1/4 cup shortening
• 1 egg
• 1 tsp. salt
• 3-1/2 to 4 cups flour
• 1-1/2 pounds ground beef
• 1/4 cup chopped onion
• 1 can (8 ounces) tomato sauce
• 8 slices American Cheese, quartered

1. In a mixing bowl, dissolve yeast in warm water. Add milk, sugar, shortening, egg, salt, and 2 cups flour; beat until smooth.
2. Stir in enough remaining flour to form a soft dough.
3. Turn onto a floured surface; knead until smooth and elastic, about 4-6 minutes.
4. Place in a greased bowl, turning once to grease top. cover and let rise in a warm place until doubled, about 30 minutes.
5. In a skillet, cook beef and onion until meat is no longer pink; drain.
6. Stir in tomato sauce.
7. Remove from heat; set aside.
8. Punch dough down; divide into 16 pieces.
9. On a lightly floured surface, gently roll out and stretch each piece into a 5 inch circle.
10. Top each circle with two pieces of cheese and about 3 Tablespoons beef mixture.
11. Bring dough over filling to center; pinch edges to seal.
12. Place seam side down on a greased baking sheet.
13. Cover and let rise in a warm place until doubled, about 20 minutes.
14. Bake at 400 for 8-12 minutes or until golden brown.
15. Serve war. refrigerate leftovers.

The title makes you think that this is a bun. Welll it is both a bun and a filling. You bake the yeast dough with the cheese and meat in the centre like a runza.