Free printable
Insulated Cooker Temperature Log
Print this page and use it to test your cooker with a pot of boiling water, then with real food. Instructions are in How to Build and Test a Homemade Insulated Cooker.
Date:
Food or water:
Pot and amount:
Outside air temperature:
Insulation used:
Boil time before insulating:
| Time | Temperature (°F) | Notes |
|---|---|---|
| Start | ||
| 0:30 | ||
| 1:00 | ||
| 1:30 | ||
| 2:00 | ||
| 2:30 | ||
| 3:00 | ||
| 3:30 | ||
| 4:00 |
Reading your results
- Above 180°F: good cooking range.
- 140°F to 180°F: food is hot and safe, but cooking slows.
- Below 140°F: the danger zone. Serve, reheat, or refrigerate promptly.
- Discard food that has been below 140°F for more than 2 hours.