Nov anna, you can freeze these cullers for a month in your freezer.
Deforst and microw wave for few seconds.

Here is a simple version:

250 grms plain flour
1/2 tsp instant yeast
1 tbs double action baking powder
2 tsp caster sugar
1 tsp fine salt

175 ml water
enough oil for frying.

The method is the same as yours.