For the Dough:
2 cups of flour (gluten-free if needed)
1 cup plus 2 tablespoons of boiling hot water
A pinch of salt

For the Filling:
3 cups finely minced Shiitake mushrooms
1 tablespoon rice vinegar
1 tablespoon soy sauce or tamari
2 tablespoons sesame oil
1/2 tablespoon maple syrup
1/4 cup of water
1 tablespoon of corn starch
1 handful of spinach leaves
1 glove or garlic
1 tablespoon of minced ginger
2 spring onions
1 teaspoon salt
A generous pinch of freshly ground pepper

For the Sauce:
1 tablespoon minced ginger
1 tablespoon maple syrup
1 tablespoon sesame oil
1/2 tablespoon rice vinegar
1/2 tablespoon soy sauce or tamari
1 teaspoon Aleppo pepper flakes