you can combine ¼ teaspoon fine table salt and 1 ½ teaspoons baking powder with 1 cup all-purpose flour for each cup of self-rising flour that you need. Whisk the ingredients well to blend them ...

Remove the batter from the fridge and whisk once more to combine Carefully remove the baking tin from the oven and place the browned sausages in the roasting tin then pour over the batter.