1 lb. lean ground beef
1/2 c. chopped onion
1/2 tsp. salt
1 c. catsup
1 tsp. prepared mustard
1/2 tsp. chili powder
1/4 c. chopped celery
1/4 c. chopped green pepper
1/4 c. chopped zucchini

In a large skillet, lightly brown beef, onion and salt about 10 minutes until onion is soft; drain. Add catsup, mustard and chili powder; simmer 15 minutes over low heat. Add vegetables; heat 5 minutes. Spoon into pita halves.