To convert 450g of plain flour to self-raising flour, you will need to add 2 teaspoons of baking powder and 1/2 teaspoon of salt. Simply mix the baking powder and salt into the plain flour and your self-raising flour is ready to use.

How do I make 450g self-raising flour?

To make 450g of self-raising flour, you will need:
— 375g plain flour
— 2 teaspoons baking powder
— 1 teaspoon of salt

Mix all the ingredients together in a bowl until the mixture is evenly blended and then you are ready to use your self-raising flour.

How do you make 500g plain flour into self raising?

To turn 500g of plain flour into self-raising flour, you will need to add 4-5 teaspoons of baking powder and 0.5 teaspoon of salt. First, mix the baking powder and salt into the plain flour until well combined. Then, sift the mixture through a fine sieve to ensure there are no lumps in your self-raising flour. Finally, store your self-raising flour in an airtight container.