Mushroom, Chicken and Soba Noodle Soup

INGREDIENTS

1 tbsp

vegetable oil

2 1/2 cups

mushrooms, trimmed and sliced (shiitake or cremini)

scallions, sliced, with white and green parts separated

3 cloves

garlic, minced

2 tsp

grated fresh ginger (peeled)

5 cups

reduced-sodium

chicken stock

2 cups

water

6 oz

soba noodles

2 cups

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shredded cooked chicken

12 oz

baby bok choy, ends trimmed

Juice of 1 lime

1 tbsp

low-sodium soy sauce

Kosher salt,