YouTube :
https://www.youtube.com/watch?v=cJGAH0MnM3s

Ingredients: 3 large potatoes, cornstarch, butter 20g, flour, red pepper powder, milk, cheddar cheese, salt, pepper, sugar, parsley
1. Cut the potatoes into long and thick slices and soak them in water for about 30 minutes to remove the starch.
2. Remove from water, add a little salt to boiling water, boil slightly, and drain through a sieve to cool.
3. Spread out on a bowl and press with a kitchen towel to remove the water.
4. Put the potatoes in a plastic bag, add 3 tablespoons of cornstarch, and shake gently.
5. Add cooking oil to the pan and fry the potatoes, then drain them through a sieve and let them cool.
6. Melt 20g of butter in a pan, then add 2/3 spoon of flour, a little bit of salt, and 1/4 spoon of red pepper powder and stir.
7. When it boils, add 1 cup of milk paper, a little pepper, 5 pieces of cheddar cheese, and half a tablespoon of sugar and bring to a boil.
8. When it thickens, turn off the heat and sprinkle some parsley on the sauce. (Sauce complete)
9. Fry the fried potatoes once more until golden brown.
10. Dip the french fries in the sauce and eat it