TABLES AND FORMULAS USED IN DONUT MAKING
Calculating Correct Water Temperature
The following is an example of how to calculate the correct water temperature to use. You must use your own room temperature, dry mix
temperature, desired batter temperature, and, if you are making
| Cake Donuts |
|
|
| ||||||||||||||
|
|
|
| F |
| C |
|
|
| F |
| C | ||||||
Room temperature | 72 |
|
| 22.2 |
| 72 |
|
| 22.2 |
| ||||||||
Dry mix temperature |
| +70 |
|
| +21.1 |
|
| +70 |
| +21.1 |
| |||||||
Total A |
|
|
|
|
|
| 43.3 |
|
|
|
|
|
|
| 43.3 |
| ||
| 142 |
|
|
|
| 142 |
|
| ||||||||||
Desired batter temperature | 75 |
|
| 23.9 |
| 80 |
|
| 26.7 |
| ||||||||
Total B |
|
|
| x3 |
|
| x3 |
|
|
|
| x3 |
|
| x3 |
| ||
225 |
|
| 71.7 |
| 240 |
| 80.1 |
| ||||||||||
Total B | 225 |
|
| 71.7 |
| 240 |
| 80.1 |
| |||||||||
|
|
|
|
|
|
| ||||||||||||
Desired water temp. for cake donuts |
| 83 F | 28.4 |
| 98 |
| 36.8 |
| ||||||||||
|
|
|
|
|
|
|
| C | | | ||||||||
|
|
|
|
|
|
|
|
|
| |||||||||
|
|
|
|
|
| Figure from above | 98 |
| 36.8 | |||||||||
Temperature increase during mixing (average: | 30 F/17 C) |
|
|
|
| |||||||||||||
Desired water temperature for |
| 68 F | 19.8 |
| ||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| C |
Ratios of Plunger Sizes to Donut Weights
The weights given are for donuts without icings or other toppings. They are provided for reference only, as weights vary according to the density of the batter.
Plunger Size | Donut Weight per |
| Dozen |
|
|
1” | |
1 7/16” | |
1 9/16” | |
1 13/16” |
Temperature Conversion
To convert temperatures from Fahrenheit to Celsius, subtract 32 from F and divide the result by 1.8. For example, 212
F | C | F | C |
|
|
|
|
55 | 12.8 | 340 | 171.1 |
60 | 15.6 | 345 | 173.9 |
65 | 18.3 | 350 | 176.7 |
70 | 21.2 | 355 | 179.4 |
75 | 23.9 | 360 | 182.2 |
80 | 26.7 | 365 | 185.0 |
325 | 162.8 | 370 | 187.8 |
Belshaw Bros., Inc. 1750 22nd Ave. S. Seattle, WA 98144 Phone
Donut Cutter Type N | 15 |