Main ingredients: 100g flour, 20g butter, 1 egg white;

Accessory ingredients: 20g water, appropriate amount of sugar

Protein biscuit strips

1

Melt the butter.

2

Add egg whites, stir evenly, add flour, water and sugar.

3

Knead into a smooth dough.

4

Let it sit for 15 minutes and roll it into large slices.

5

Cut the corners neatly.

6

Cut into biscuit strips.

7

Heat up and down, 180 degrees, 20 minutes.

Tip: Adjust the baking temperature and time according to the temperament of your own oven.