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| celery (thinly sliced): 4 1/2 cups |
| onions (chopped): 1/2 cup |
| white mushrooms (sliced): 3/4 cup |
| salted butter: 1/4 cup |
| all-purpose flour (unsifted): 2 Tbl |
| salt: 1/4 tsp |
| black pepper: 1/4 tsp |
| garlic powder: 1/4 tsp |
| 2% milk: 1 cup |
| cheddar cheese (shredded): 1 cup (divided) |
| green bell pepper (chopped): 1/8 cup |
Credit: Food.com