1. Material: 600g lemon, 7 eggs,150g butter, 200g sugar cube.

2. Wash the lemon and control the moisture.

3, all cut into pieces and juiced.

4. Pour the lemon juice into the milk pot, pour in the eggs and sugar cubes, and stir with a blender.

5. Then, let the milk pot add water to heat and stir constantly.

6. When the liquid is viscous, add softened butter and continue stirring until the butter and the liquid are completely mixed.