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Published 2009
Fold a square of aluminum foil, about 2 inches longer and wider than the tart, in half.
Fold in half again so you now have a square one-fourth the size of the first square.
Fold on a diagonal as though making a paper airplane.
Fold again so you have a narrow long triangle.
With the sharp point of the triangle at the center of the tart shell, cut the triangle about 1 inch from the edge of the tart, cutting off the point of the triangle.
6. Unfold the wider end of the triangle into a circular strip, and use it to cover the edge of the tart or pie shell when you put it back in the oven to finish baking.