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| canned black beans: 1 cup (rinsed and drained) |
| ground beef, lean: 0.75 lb |
| onions - red (chopped): 1/4 cup (diced) |
| chili powder: 1 tsp |
| ground cumin: 1/2 tsp |
| dried oregano (ground): 1/4 tsp |
| salt: 1/2 tsp |
| black pepper: 1/2 tsp (coarsely ground) |
| hamburger buns: 4 buns |
Credit: Food.com