Sloppy Joe with Maggots (Cooked Kamut)

2 lbs. hamburger
1/2 qt. ketchup
1 T. br. sugar
1/2 T. dry mustard
1/8 c. vinegar
1/16 c. lemon juice
1/2 c. water
1 onion chopped
1-2cups cooked kamut
Brown hamburger and onion and add remaining ingredients. Simmer. Can add ½ c. celery.