Purple sweet potato biscuits

Ingredients: purple sweet potato, butter, sugar, eggs, flour.

Steps:

Step 1, prepare the materials in advance. Peel and slice the purple potatoes in advance and steam them in a pot.

Step 2. Add sugar to butter and beat until white.

Step 3. Add the egg liquid in three batches and stir evenly.

Step 4. Add purple sweet potato puree and mix evenly with a spatula.

Step 5. Add flour and mix evenly with a spatula.

Step 6. Chill the dough in the refrigerator for an hour.

Step 7. Use a rolling pin to roll the dough to a thickness of 4 cm.

Step 8. Use the mold to make a square pattern.