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| salted butter: 2 cups |
| powdered sugar (unsifted): 2 cups |
| granulated sugar: 2 cups |
| vegetable oil: 2 cups |
| eggs: 4 |
| vanilla extract: 1 Tbl |
| all-purpose flour (unsifted): 8 cups |
| baking soda: 2 tsp |
| cream of tartar: 2 tsp |
| salt: 2 tsp |
Credit: Food.com