How much water is appropriate to put in a pound of flour to make buns flour?

1 catty of flour needs to add 500g of water, the specific method of buns is as follows:

The materials that need to be prepared in advance include: 1000g of flour, 500g of water, 500g of pork filling, a little baking powder, a little baking powder, sugar ? a little.

1, 1 catty of flour with 500g of water, baking powder, baking powder, mix well with your hands, as shown in the picture below.

2, rolled into a dough, put aside to rest for 3 hours, for the rise, as shown in the picture below.

3: Take out a small piece of the dough and knead it into a small ball, as shown in the picture below.

4: Knead the dough with your hands to form a slightly thicker crust, as shown in the picture below.

5: Fill with the prepared meat mixture, as shown in the picture below.

6: Knead with your hands to form the shape of a bun and put it into the steamer.

7: Steam the buns in the steamer, as shown in the picture below.

8, out of the pot on a plate, so the buns have been completed.