Place the mushroom in a small heatproof bowl. Cover with boiling water and set aside for 10 mins or until tender. Drain. Use a sharp knife to remove the stems.
Meanwhile, place the noodles in a large heatproof bowl. Cover with boiling water and set aside for 3 mins or until tender. Drain.
Combine the stock, 3 cups (750ml) water, ginger, garlic, sesame oil and soy sauce in a large saucepan. Bring to the boil. Reduce heat to low. Add the gyoza. Cook for 7 mins until gyoza are heated through.
Divide the noodles among serving bowls. Top with pak choy and mushroom. Ladle over the hot stock mixture and gyoza. Top with egg and spring onion and serve with chilli sauce, if desired
Preheat oven to 375°. Cream butter and 1 cup sugar until light and fluffy; beat in egg and vanilla. In another bowl, whisk together flour, baking soda and cream of tartar; gradually beat into creamed mixture.
In a small bowl, mix cinnamon and remaining sugar. Shape dough into 1-in. balls; roll in cinnamon sugar. Place 2 in. apart on ungreased baking sheets.
Bake until light brown, 10-12 minutes. Remove from pans to wire racks to cool.
Preheat oven to 425°. In a large resealable plastic bag, combine flour and chicken tenders and shake until fully coated.
Set up a dredging station: In one shallow bowl, put bread crumbs, and in another shallow bowl, whisk together eggs and 2 tablespoons water. Dip chicken in egg mixture, then coat in bread crumbs. Transfer to prepared baking sheet and season generously with salt and pepper.
Bake until golden and crispy, 20 to 25 minutes.
Meanwhile, in a small saucepan over low heat, whisk together barbecue sauce, brown sugar, lime juice, and garlic powder. Simmer 5 minutes.
In a large bowl, toss baked chicken in sauce until coated. Serve with ranch, if desired.