The food processor is fine, but you won't have as flaky a crust for two reasons. The friction of the blade creates some heat, and since it moves so fast it's nearly impossible to leave any big chunks of fat behind. If you do use a food processor, I'd use a grating blade and frozen sticks of butter, and run them down the tube that way. That said, if you have hand or wrist issues, the food processor is a great help. Susan '

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