The easiest way to tell if cooking oil is hot enough for frying is to test it with a grain of rice. If the rice pops to the surface, the oil is likely hot enough.
Based on the short video reference, a simple and quick method to measure oil heat for frying involves using a grain of rice. Here's a breakdown:
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The Rice Test: Drop a single grain of rice into the oil you are heating.
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Observation: If the rice immediately bubbles and floats to the surface of the oil, it indicates that the oil has reached a suitable temperature for frying.
This method provides a visual indicator of the oil's temperature without needing specialized equipment. Other methods for testing oil heat include using a deep-fry thermometer or testing with other types of food.