KITCHEN PRACTICE 3 — Frying at the Wrong Temperature (A Deliberate Comparison)
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Chapter: Spanish Cookery 7 — Frying & Croquetas

TASK
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Fry one croqueta at a properly moderate 175-180°C and a second at a
noticeably hotter temperature (with sensible safety precautions —
stand back, use tongs, don't overcrowd the pan), and compare the two
results directly.

WHAT TO DO
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1. Using two spare croquetas from Kitchen Practice 1, heat oil to
   175-180°C and fry the first one as normal, using a thermometer to
   confirm the temperature.
2. Once done, remove it, let the oil come back up to temperature,
   then deliberately raise the heat further — aiming for a
   noticeably hotter oil temperature, roughly 200°C or above.
3. Carefully lower the second croqueta into the hotter oil using
   tongs, standing back from the pan in case of splattering, and fry
   only one at a time.
4. Watch closely rather than walking away, and remove it the moment
   it looks done or shows any sign of cracking.
5. Compare the two croquetas once cooled slightly — appearance first,
   then cut each one open.

WHAT TO EXPECT
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- The properly-tempered croqueta should be evenly golden with an
  intact shell and a smooth, molten interior.
- The hotter-oil croqueta is more likely to show a darker, sometimes
  uneven or blistered crust, and may develop a visible crack or
  small burst where the filling has pushed through the coating.
- If a burst does occur, you may see some filling leaking into the
  oil — a real, visible sign of the thermal-shock failure this
  chapter describes.

WHY THIS WORKS AS AN ANSWER
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Seeing the actual crack or burst happen, rather than just reading
about the risk, makes the real reason for staying within the
175-180°C window concrete — and doing it carefully, one croqueta at
a time with tongs and some distance, keeps the comparison safe.