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| pasta (spaghetti): 8 oz (cooked and drained) |
| vegetable oil: 1 Tbl |
| salted butter: 2 Tbl |
| white mushrooms: 8 oz (sliced) |
| green onions - spring or scallion: 4 whole onions (sliced) |
| diced ham: 1 1/2 cups |
| all-purpose flour (unsifted): 3 Tbl |
| chicken broth: 1 cup |
| 2% milk: 1 cup |
| parmesan cheese (grated): 1/2 cup |
| cheddar cheese (shredded): 1/2 cup |
Credit: Food.com