Dice the potato into even sized cubes and boil until fork tender.
Drain the potatoes and leave to dry out.
Pass the potato cubes through a sieve into a big mixing bowl.
Add the flour and salt and knead until a soft ball forms.
Roll them into noodles and gently place them into a pot of boiling salted water until they float.
Whilst the noodles are boiling add the sauce ingredients to a bowl that will fit the noodles in.
Drain the noodles and add to the bowl.
Mix really well, top with sesame seeds to serve and enjoy.
Notes
Kneading the dough- When kneading just combine the flour and potato until it forms a ball, do not over knead as this will give a tougher noodle.Cooking- When the noodles float to the surface they should be cooked. If you are unsure break a piece of to check its cooked all the way through.