Mix 2 cups bread flour, 1/2 teaspoon salt, and 1/2 teaspoon baking soda
Dissolve 1/2 cup water in the dry ingredients gradually
Knead the dough until smooth and firm, about 10 minutes
Wrap the dough and rest it for 30 to 60 minutes
Roll the dough out thin with a rolling pin or pasta machine
Fold or dust the dough with flour, then cut into thin noodle strands
Separate the noodles and dust lightly with flour
Boil the noodles in salted water for 1 to 3 minutes
Drain the noodles
Add the noodles to hot broth or serve with your preferred toppings