3 large garlic cloves
1/2 cup soy sauce
1/3 cup dry Sherry
1/4 cup brown sugar
1 tablespoon grated ginger
2 teaspoons sesame oil
1 1/2 pound chicken breast cut into 2-inch pieces
Mash garlic with salt. Boil soy sauce, Sherry, and brown sugar in a saucepan over medium heat, reduce. Stir in garlic, ginger, and sesame oil, cool to room temperature. Marinate chicken in sauce overnight.
Halve bok choy lengthwise and blanch for 2 minutes. Transfer bok choy to ice bath, pat try, skewer, season with salt. Toss mushrooms with vegetable oil, skewer, season with salt. Skewer marinated chicken.
Grill chicken, mushrooms, and bok choy until done.