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| unsalted butter: 6 Tbl |
| onions (chopped): 1/2 cup |
| garlic: 6 cloves (chopped) |
| chicken stock: 1 cup |
| fresh rosemary: 2 Tbl |
| pasta (spaghetti): 1 lb |
| parmesan cheese (grated): 1/4 cup |
| Kosher salt: 1 tsp |
| black pepper: 1 Tbl (crushed) |
Credit: allrecipes.com