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Oven Calibration & Baking Science Flashcards

7 cards from real CPM practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Oven Calibration & Baking Science flashcards as text

  1. At high altitude (above 3,500 feet), how does reduced atmospheric pressure affect pie baking?

    Answer: Liquids boil at lower temperatures, causing faster evaporation and quicker setting

    Lower atmospheric pressure reduces the boiling point of water, causing faster liquid evaporation and affecting leavening and gelatinization.

  2. A baker uses a ceramic pie dish instead of a metal pan. What adjustment may be necessary?

    Answer: Increase temperature or extend baking time because ceramic heats slowly

    Ceramic heats more slowly than metal and retains heat differently, often requiring a longer bake or slightly higher temperature to cook the bottom crust.

  3. What is the purpose of venting (cutting slits in) the top crust of a double-crust fruit pie?

    Answer: To release steam and prevent the crust from bursting

    Steam from the hot filling must escape during baking; without vents the pressure can cause the crust to burst open unevenly.

  4. Which type of fat produces the flakiest pie crust due to its high melting point and solid structure?

    Answer: Vegetable shortening or lard

    Shortening and lard remain solid at room temperature and create distinct fat layers in the dough that steam apart during baking, yielding flakiness.

  5. When calibrating an oven with an oven thermometer, how long should you preheat before taking a reliable reading?

    Answer: 20–30 minutes

    Most ovens need at least 20–30 minutes to stabilize after preheating, as early readings can be misleading due to cycling temperature swings.

  6. What causes the 'soggy bottom' problem in pies, and which technique directly addresses it?

    Answer: Under-baked bottom crust from steam; pre-bake or dock the crust

    Filling moisture steams the bottom crust before it sets; pre-baking (blind baking) or docking allows the crust to firm before the filling is added.

  7. What is the ideal internal filling temperature for a fully set custard pie (e.g., pumpkin or sweet potato)?

    Answer: 175°F (79°C)

    A custard pie is properly set when the filling reaches about 175°F (79°C), at which point egg proteins are fully coagulated without curdling.