Sloppy Joes

1 lb hamburger
1 large onion
2 TBSP ketchup
1/2 pkg Sloppy Joe Seasoning (found by gravy mixes/taco seasoning)
1 TBS mustard
1 can Chicken Gumbo Soup
-Fry onion in 1 tsp shortening. Add hamburger and brown. Add rest of ingredients and simmer 1/2 hour.