How much baking powder for 1 kg of plain flour?

The amount of baking powder you need for 1 kg of plain flour depends on the recipe you are using. Generally, for a basic cake or pastry recipe, you will need around 10 teaspoons (50g) of baking powder for 1 kg of plain flour. However, this amount can vary depending on the desired texture and rise of the baked goods. For example, if you want a lighter and fluffier texture, you may need to add more baking powder, while for a denser texture, you may use less. It is always best to follow the specific instructions in the recipe you are using or adjust the amount based on your desired results.