Broth
4 cups vegetable broth
1-inch piece of ginger root, peeled and sliced
1 clove garlic, peeled and sliced
1 green onion, cut into 1-inch pieces
1/4 cup white vinegar
5 teaspoons sugar
2 teaspoons soy sauce

Toppings
1 small cucumber
1/4 pound Korean radish or daikon
1 small Asian pear
3/4 teaspoon salt, divided
1 teaspoon sugar, divided
1 teaspoon vinegar, divided
1 egg
1/2 cup crushed ice

Noodles
1/4 pound Korean buckwheat noodles or Japanese soba noodles

Garnish
Sesame seeds
Korean mustard sauce or other hot mustard