Purple sweet potato is not a genetically modified food. Its beautiful purple-red color is the result of being rich in natural anthocyanins. Purple sweet potato is nutritious and eating it regularly has the effects of anti-tumor, lowering blood fat and blood pressure, and preventing constipation. Additionally, anthocyanins are a natural beauty product with antioxidant properties, which can prevent the precipitation of melanin and improve skin tone. Purple sweet potato can be processed into purple sweet potato flour, purple sweet potato noodles, and so on. Purple sweet potato flour is a natural coloring agent for making noodles. Let’s take a look at how to make purple sweet potato flour in the oven.

Ingredients:

Purple sweet potato 2, Water in appropriate quantity

Steps:

1, Prepare the ingredients

Purple sweet potato, in appropriate quantity.

2, Wash and peel the purple sweet potato, and cut it into thin slices.

3, Place the purple sweet potato in a steaming pot and steam for 15 minutes to cook the purple sweet potato. PS

You can poke the purple sweet potato with chopsticks to see if it is cooked. If the purple sweet potato becomes soft and easily pierced, it means it is cooked!

4, Use a spoon to mash the cooked purple sweet potato into a puree. PS

The purple sweet potato puree needs to be finer without any lumps. When making it yourself, you can gently knead it with your hands.

5, Flatten the purple sweet potato puree to make it finer.

6, Lay a layer of oil paper on the baking tray, place the purple sweet potato puree on top, and cover it with a layer of cling film. PS

Press the puree with a piece of cling film so that there is no puree stuck to the spoon, and the puree will be pressed more evenly.

7, First, spread the purple sweet potato puree on the baking tray with a spoon. PS

8, Use a rolling pin to roll the purple sweet potato puree more evenly. PS

Try to roll them as thin as possible to shorten the baking or drying time.

9, Roll the purple sweet potato puree into thin purple sweet potato slices.

10, Place the baking tray in the oven and bake at 100 degrees for about 90 minutes. PS

The roasting time is uncertain and depends on the thickness of the purple sweet potato puree and the water content in the purple sweet potato, so you need to control the time yourself, roast slowly at a low temperature, and roast the purple sweet potato slices until they are crispy!

11, Roast until it reaches a dehydrated and crispy texture like this.

12, Crumble the purple sweet potato slices by hand. PS

The purple sweet potato slices must be crumbled to be blended more finely.

13, Put the purple sweet potato pieces into the blender and blend into a dry powder. PS

Mix for a slightly longer time to make the purple sweet potato flour finer. You can also sieve the purple sweet potato flour, put the remaining larger particles back into the blender to mix again, and the finer the texture, the better.

14, The purple sweet potato flour, with its amazing fragrance, is very suitable for making various steamed cakes, twists, and mantou. It is also great for adding to rice porridge to create various purple sweet potato-based foods and snacks. Not only is the color cute, but the flavor is even more aromatic.