"Cream of tartar affects both the texture and rise of ... try adding a bit of fruit zest or jam to cover it up. Want more food knowledge? Sign up to our free newsletter where we're helping ...

Put the flour into a bowl with the bicarbonate of soda, cream of tartar and sugar ... and serve with clotted cream and jam. Nigella says: "I like to make up quite a big batch of scones and ...

Combine jam and liqueur, stirring with a whisk ... Place egg whites and cream of tartar in a large bowl, beat with a mixer at medium speed until soft peaks form. Increase speed to high, and ...