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| garlic: 1 head |
| onions: 1 |
| russet potatoes: 4 whole potatoes |
| olive oil: 1 tsp (divided) |
| olive oil: 1 Tbl (divided) |
| salted butter: 1/4 cup |
| parmesan cheese (grated): 1/4 cup |
| 2% milk: 1/4 cup |
| sour cream: 1/4 cup |
| salt: 1/2 tsp |
| black pepper: 1/4 tsp |
Credit: Food.com