Baking powder is a leavening agent and will result how airy your final product will be. However, cake, bread and muffins all have different levels of airiness. You'd need to specify what you're trying to bake to give us a good idea how much baking powder you need.
Add one rounded teaspoon of baking powder to each cup of flour. I frequently do this and it always work. Note - not a flat teaspoon of baking powder, not a heaped teaspoon but a rounded teaspoon!
The recommended ratio of flour to baking powder for making fluffy pancakes is typically 1 cup of flour to 1 teaspoon of baking powder.
You can use plain flour with a teaspoon of baking powder.
To make self rising flour .......1 cup flour add 1 teaspoon baking powder, 1/2 teaspoon salt and 1/4 teaspoon baking soda
I don't know how much volume 4 oz. will be, but most recipes use the ratio of 1 teaspoon of baking powder to 1 cup of flour. Weigh the flour, measure it and find the amount of baking powder that way.
Most recipes use 1 teaspoon of baking powder to 1 cup of flour.
There is not a standard amount - it varies according to what you are cooking. If you wish to turn plain flour into self-raising, you need baking powder (which is a 1:3 ratio of bicarbonate of soda to cream of tartar). You need one teaspoon of baking powder to a cup of plain flour to create self-raising flour.
make your own self rising flour. You will need: 1 cup all purpose flour 1 teaspoon baking powder 1/2 teaspoon salt 1/4 teaspoon baking soda mix all , yield 1 cup selfrising flour
Self-rising flour is a mix of flour and salt and a leavening agent (baking powder). Most recipes that mention self-rising flour leave out the baking powder. You can make your own cup with the following: 1 cup of all purpose flour 1 1/4 teaspoon of baking powder and a pinch of salt Happy Baking....
About one teaspoon of baking powder to 1 cup of all purpose flour
you add 1 teaspoon of baking powder to every cup of plain flour
You can use cream of tartar and baking soda as a replacement for baking powder. One half teaspoon of cream of tartar and one quarter teaspoon of baking soda will equal one teaspoon of baking powder.