Braised King Oyster Mushrooms with Oyster Sauce and Mustard

Braised King Oyster Mushrooms with Oyster Sauce and Mustard

A tempting way to eat king oyster mushrooms, seasoned with Japanese mustard. Also good for bento since it has a robust flavor.

Ingredients: Easy-to-make quantity

King oyster mushrooms
1 pack (about 120 g)
★ Soy sauce
2 teaspoons
★ Cooking sake
2 teaspoons
★ Oyster sauce
2 teaspoons
★ Japanese mustard (a paste of mustard powder mixed with water, or tubed and store-bought)
2 teaspoons
★ Sugar
1 teaspoon
★ Sesame oil
1 teaspoon
★ Chicken stock
1/2 teaspoon
★ Water
1 cup
Black pepper, green scallion
as liked


1. Here's a pack of king oyster mushrooms. It weighed about 120 g.
2. Slice them into pieces with 5 mm thickness.
3. Put all ★ ingredients into a pot. Make sure to dissolve the Japanese mustard well. When it's dissolved, turn the heat on.
4. Add the sliced mushrooms and cover the pot. When it comes to a boil, continue simmering and reduce it for 5 minutes over low heat.
5. When the mushrooms are soft and browned, it's ready to eat. Top with black pepper and green scallions if you like.
6. Here's a variation using shiitake mushrooms that also tasted amazing.

Story Behind this Recipe

I received a lot of king oyster mushrooms as a gift, and was simmering them in syrup. Here's a spicy variation that uses Japanese mustard.