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| spinach: 1 lb |
| heavy whipping cream (fluid): 1 1/2 cups |
| onions - yellow (chopped): 1/2 cup |
| white mushrooms (sliced): 1 1/4 cups |
| salted butter: 1/4 cup |
| all-purpose flour (unsifted): 2 Tbl |
| mozzarella cheese, whole milk (shredded): 1/2 cup |
| salt: 1 tsp |
| black pepper: 1 tsp |
| Italian seasoning: 1/2 tsp |
| sour cream: 1/2 cup |
Credit: Food.com