The main ingredient is peeled yellow sweet potato 300g glutinous rice flour 100g glutinous rice flour 10g white sugar 10g vegetable oil 60g red bean paste 160g step sweet potato horn1. All the materials are ready. The practice of sweet potato horn step 22. Peel the yellow sweet potato and steam it in a steamer with high fire. Step 33 of sweet potato horn. Steam for about 15-20 minutes. The practice of sweet potato horn step 44. Steamed sweet potato