1, ingredients: two eggs, powdered milk, a few drops of lemon juice.

2, the first bowl into two eggs, egg white yolk separation. Yolks into a bowl without water and oil.

3. Add a few drops of lemon juice to the yolks, beat with a whisk until white, sift in the powdered milk, and mix well until grain-free.

4. Put it into a piping bag, cut a small opening in the bag, and squeeze the egg yolk paste into a greased baking tray. The size can refer to the size of the soluble beans sold outside.

5, the baking tray into the preheated oven, upper and lower heat 100 degrees baked 20 minutes.

6, time is up, out of the pan. Specifically how many degrees and how much time according to their own oven temperature to determine.