What is in the self raising flour?

Self-rising flour is a combination of all-purpose flour, baking powder, and salt. Chances are high that you already have those staples in your pantry already too. The blend is typically comprised of 1 cup of all-purpose flour plus 1 1/2 teaspoons baking powder and 1/4 teaspoon fine salt.

Considering this, what is a substitute for self rising flour?

To make your own, combine 1 cup of all-purpose flour with 1 1/2 teaspoons of baking powder and 1/2 teaspoon of salt. And you are right to worry about the shelf life of self-rising flour: the baking powder will lose its potency over time, which means your baked goods won't rise as they should.

How can you tell self raising flour from plain flour?

3 Answers. Put your flour in water. It should be slightly fizzy due to the presence of baking powder if it is active self raising flour. If it is plain it should react like normal flour.

How do you make self raising flour without baking powder?

To make your own baking powder, add the ingredients to a jam jar or similar and shake well to mix. To make the self raising flour, add 1 tsp of the baking powder to 200g or 8 oz of plain flour and mix. That's it!