How to make dried sweet potatoes
In the past 10 days, discussions about healthy snacks and homemade foods have continued to rise across the Internet. In particular, dried sweet potatoes have become a hot topic due to their natural and additive-free characteristics. This article will introduce the production method of air-dried sweet potatoes in detail based on recent hot topics, and provide structured data for reference.
1. The relationship between recent hot topics and dried sweet potatoes
The following is the data on hot topics related to healthy snacks on the Internet in the past 10 days:
| Ranking | hot topics | Search volume (10,000) | Relevance |
|---|---|---|---|
| 1 | No added healthy snacks | 45.2 | high |
| 2 | Homemade dried fruit tutorial | 38.7 | high |
| 3 | Nutritional value of sweet potatoes | 32.1 | in |
| 4 | How to preserve air-dried food | 28.9 | in |
2. Preparation steps of air-dried sweet potatoes
1. Material preparation
Making dried sweet potatoes requires the following materials:
| Material name | Quantity | Remarks |
|---|---|---|
| fresh sweet potatoes | 2-3 pounds | Choose red or yellow sweet potatoes |
| clear water | Appropriate amount | for cleaning |
| salt | A little | Optional, for soaking |
2. Detailed explanation of production steps
Step 1: Clean and Peel
Wash the sweet potatoes with clean water, peel and cut into slices or strips about 0.5 cm thick. Cut it too thin and it will break, while if it's too thick it won't dry easily.
Step 2: Soak (optional)
Soak the cut sweet potato slices in light salt water for 10 minutes to prevent oxidation and discoloration and add a little flavor.
Step 3: Steaming
Put the sweet potato slices into the steamer and steam over high heat for 10-15 minutes until they are about half cooked. The cooking time is adjusted according to the thickness of the sweet potatoes and should be able to be gently inserted with chopsticks.
Step 4: Air dry
The following is a comparison of different air drying methods:
| Air drying method | temperature | time | Things to note |
|---|---|---|---|
| Natural drying | 25-30℃ | 3-5 days | Need to be protected from dust and insects |
| Oven drying | 60-70℃ | 6-8 hours | Need to turn over |
| food dryer | 55-65℃ | 5-7 hours | Evenly placed |
3. Preservation and consumption suggestions
1. Saving method
Dried sweet potatoes should be stored in an airtight container:
| Save method | shelf life | Things to note |
|---|---|---|
| Sealed at room temperature | 2 weeks | avoid moisture |
| Refrigerated | 1 month | Need to cool completely |
| frozen | 3 months | Pack into small portions |
2. Nutritional value analysis
The nutritional content of dried sweet potatoes per 100 grams is approximately:
| Nutritional information | Content | Daily proportion |
|---|---|---|
| heat | 350 kcal | 17% |
| dietary fiber | 5.2g | 21% |
| Vitamin A | 890IU | 18% |
4. Frequently Asked Questions
Q: Is it normal for white frost to appear on the surface of dried sweet potatoes?
A: This is a natural phenomenon caused by the analysis of sugar in sweet potatoes and does not affect consumption. If you are worried about mildew, you can identify it by smelling it (mildew has a peculiar smell).
Q: How to make dried sweet potatoes sweeter?
A: You can choose sweet potatoes with a high degree of saccharification, or slice the sweet potatoes and let them dry for 2 hours before cooking to promote the conversion of starch into sugar.
5. Conclusion
Homemade dried sweet potatoes are not only healthy and delicious, but the hardness and sweetness can be adjusted according to personal taste. In line with the recent craze for healthy eating, this snack can not only satisfy appetites, but also conforms to modern people's pursuit of food safety. It is recommended to try different varieties of sweet potatoes to experience the flavor differences.
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