low gluten flour
condense milk (by evaporation)
How to make sponge cake
Step 1️⃣: Steam the sliced purple potatoes, then puree them, add condensed milk and mix well
Step 2️⃣: Flour, eggs, corn oil, granulated sugar, cornstarch, mix in the ratios above, put on disposable gloves and knead into a smooth dough!
Step 3️⃣: Take a small piece of purple potato and press it into a flat shape with the palm of your hand. Put the cheese in the middle, slowly close the mouth and roll it into a ball, then take another piece of dough larger than the yam and press it. Form a round ○ pastry, wrap the purple potato filling and gently shape into squares on all sides.
Step 4️⃣: Evenly coat the pan with corn oil, place the finished product in the pan and cook on low Fry slowly until golden brown on all sides.