How to Bake a Cake in an 18 Inch Round Pan

Written by patrick hutchison
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How to Bake a Cake in an 18 Inch Round Pan
(Dynamic Graphics/Creatas/Getty Images)

Baking is an exact science. It requires specific measurements, ingredients and temperatures. Cakes are a delicious result of all this careful planning. Most cakes are baked in square, rectangular or round pans ranging in size from 8 inches to 12 inches across. A round 18-inch cake pan is very large and almost exclusively used in commercial settings . To make a cake in an round 18-inch pan, you may need to adjust your cake recipe and baking temperature.

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  1. 1

    Adjust your cake recipe ingredient amounts to compensate for your large pan using a calculator. The average cake mix makes between 4 to 5-1/2 cups of batter. An 18-inch round cake pan, usually two inches deep, will require around 20 cups of batter. If your cake recipe makes 5 cups of batter, multiply each ingredient by four to make enough batter.

  2. 2

    Mix your ingredients and preheat your oven -4.44 degrees C lower than the advised temperature. The increased size of the cake will require a longer, lower temperature to cook evenly.

  3. 3

    Grease your cake pan and two cake heater cores, placing one heater core near the centre of each half of the pan.

  4. 4

    Pour your batter into your 18-inch round cake pan and into the centre of the heater cores and place it in the oven, setting a timer for five minutes longer than the advised baking time.

  5. 5

    Rotate the cake halfway through baking to account for any cold spots in the oven that affect even baking.

  6. 6

    Test the cake by inserting a toothpick into the cake and pulling it out. If it pulls out clean, the cake is done. Make sure to check several spots on the cake, because of its large size.

Tips and warnings

  • If you don't have a large enough bowl to mix all the ingredients at once, mix them in batches, adding them to the cake pan as you finish.
  • Measure your oven before beginning. Many consumer ovens are not large enough to accommodate an 18-inch round cake pan.

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