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| ground beef: 5 lbs |
| onions (chopped): 2 cups |
| water: 3 cups |
| ketchup: 2 Tbl |
| chili powder: 2 Tbl |
| salt: 2 Tbl |
| black pepper: 1 Tbl |
| ground mustard: 1 tsp |
| quick oats: 1 cup |
| hamburger buns: 24 buns (split) |
Credit: AllRecipes
"'I found this recipe on our local Cattlewomen's cookbook,' confides Margery Bryan of Royal City, Washington. 'It's a favorite when I need to make lots of sandwiches for a crowd.'"