How to make purple sweet potato rolls

We call people who like to eat "foodies". Of course, foodies are loyal to food. While enjoying eating, many foodies also like to praise the people who make these foods, so that those who make the foods can feel a long-lost pleasure. Today I will introduce to you the method of making purple sweet potato rolls, so that you can once again experience and enjoy the joy after success!

After reading the editor’s detailed analysis of purple sweet potato rolls, do you want to try making them? But if you want to make it delicious, it depends on your own ability.