Recipe Bulgur Barbecue

Ingredients
2 3/4 cups water, divided
2/3 cup bulgur
1 1/2 pounds lean ground beef
1 1/2 cups chopped celery
1 large onion, chopped
1 (8 ounce) can tomato sauce
1/2 cup packed brown sugar
1/2 cup ketchup
1 tablespoon white vinegar
1/2 teaspoon prepared mustard
1/4 teaspoon salt
1/4 teaspoon pepper
12 hamburger buns, split

Directions
In a saucepan, bring 2 cups water to a boil. Stir in bulgur. Reduce heat; cover and simmer for 15 minutes. Remove from the heat. Drain and squeeze dry; set aside.
In a large nonstick skillet, cook the beef, celery and onion over medium heat until meat is no longer pink; drain. Add the tomato sauce, brown sugar, ketchup, vinegar, mustard, salt, pepper and remaining water. Stir in reserved bulgur.
Transfer to a 2-qt. baking dish. Cover and bake at 350 degrees F for 50-60 minutes or until heated through. Serve on buns.