But if you find yourself out of baking powder, things can get a little tricky—especially if you're not able to pop out to the supermarket. Luckily, there's no need to panic or stop what you're ...

You can make your own baking powder by combining 15ml/1tbsp bicarbonate of soda with 30ml/2tbsp cream of tartar. Measure carefully as too much or too little can upset a recipe’s balance.