Heat =/= temperature
Temperature is the average kinetic energy of the particles in a substance.
Heat is energy transferred from one body to another due to a difference in temperature.
Hot things - like boiling water or simmering sauce - conduct energy to cool things - like your finger.
The amount of energy you get from that hot sauce depends on way more than the temperature of the sauce. More mass of sauce that you get on your finger means more molecules with that same average kinetic energy, so more total energy, so more pain.
In this video Adam switches mass out for time in contact with the sauce, but in this case that seems a fair swap.
Don't dunk your finger in hot fryer oil or hot sugar syrup. According to Adam, go ahead and dunk (or flick) your finger in hot, water- or oil-based sauces.
As always, vinegar leg on the right.
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