What is the recipe ratio of the golden flatbread? (For example, the appropriate amount of flour, yeast, baking powder, water, etc.) Thank you!

Ingredients: Flour: 500g, yeast: 10g, baking powder: 10g, butter: 150g, sugar: 100g, salt: 10g, a little MSG, appropriate amount of chives, water: 325 grams (250 grams of boiling water, 75 grams of cold water)

Preparation method: Mix the flour and baking powder evenly to make a concave shape, put yeast, butter, sugar, salt and MSG in the middle, scald it with 250 grams of boiling water first, and then Add 75 grams of cold water and mix well, roll it into thin slices (about 5 mm thick), brush with thin oil, sprinkle with chopped green onion, roll up, cut into large pieces, wrap into thick cakes, brush with egg wash, dip in sesame seeds, wake up and steam 20 minutes, set aside. When serving, fry in hot oil until golden brown, cut into square shapes and serve on a plate