Exact Celsius–Fahrenheit conversion versus recipe equivalents
See why a mathematically exact temperature and the rounded setting printed in a recipe can both be useful without being identical.
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Understand the rule behind every setting
Practical explanations of exact Celsius–Fahrenheit maths, cautious fan guidance, and the fixed Gas Mark table used by OvenTemp.
Conventional oven versus fan oven temperature
Use conventional Celsius minus 20 as broad fan guidance, then prioritize the recipe and appliance instructions.
Read articleGas Mark oven temperature table: the supported published rows
Read the immutable Gas Mark 1–9 table and understand why unsupported fractions and Gas Mark 10 are not interpolated.
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