Use fingertips to spread a thin layer throughout inner surface of a cake pan, making sure to cover both the sides and bottom of the pan.
Place flour in the the pan and tap it around to cover all of the inner surface of the pan. Give the pan a sharp tap over your kitchen sink to discard the excess flour.
Line the bottom of the cake pan with parchment paper as described above.
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Notes
Substitute sugar for flour for greasing a bread pan for sweet bread.