1. The puff pastry is taken out to thaw, the purple sweet potato is peeled and steamed, and then pressed into a puree with the back of a spoon.
2. Add yogurt and condensed milk to the mashed purple potato and put it into the food processor.
3. Beat into a smooth state.
4. Cut the melted pastry into wide strips and place on the baking tray.
5. Bake in the oven at 180°C for 15 minutes.
6. Put the mashed purple potato into a piping bag, and choose your favorite piping mouth.
7. After the meringue is baked, gently place the first layer and squeeze the purple potato mash to decorate.
8. Put the second layer of meringue and squeeze the pattern you like.
Tips:Use yogurt to adjust the consistency of purple potato mash.
