Quick Answer
To test oven temperature without a thermometer, you can use the "baking a test loaf" method or measure the time it takes for a small object to reach a certain temperature. The "baking a test loaf" method involves baking a small loaf of bread at various temperatures until it's perfectly baked, then comparing the temperatures to a known reference. A more precise method is to use a small metal object, such as a copper wire or a thermometer probe, to measure the temperature.
Testing with a Test Loaf
For this method, you’ll need to bake multiple loaves of bread at different temperatures, then compare the results to a known reference. Preheat your wood-fired oven to 350°F (175°C) and bake a small loaf of bread for about 20-25 minutes, or until it’s golden brown. Take the internal temperature of the bread using an instant-read thermometer, which should be around 205-210°F (96-99°C) for a perfectly baked loaf. Repeat this process for different temperatures, such as 375°F (190°C), 400°F (200°C), and 425°F (220°C), to create a temperature reference chart.
Using a Small Metal Object
A more precise method for testing oven temperature involves using a small metal object, such as a copper wire or a thermometer probe, to measure the temperature. You can purchase a copper wire thermometer probe designed specifically for this purpose or use a small piece of copper wire with a temperature-sensing device attached to the end. Insert the probe into the oven at the same temperature and location as your baking area. The temperature will be indicated by the device attached to the end of the probe, allowing you to accurately determine the oven temperature. This method is more precise than the test loaf method, but it does require a specific device.
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