Add the lemon zest, lemon juice, cream of tartar and salt and continue whisking for 2-3 minutes, or until soft peaks form when the whisk is removed from the bowl.

Strain out any zest or cooked egg and press plastic wrap tight against the surface as you would to prevent a film from forming on mousse ... Lemon curd is also delicious between layers in a cake ...

Try Delia's delicious lemon cake recipe filled with homemade lemon curd. Equipment and preparation: You will need to grease two 18cm/7in sandwich tins 4cm/1½in deep, lined with baking parchment ...

CAKE: (Can bake the cake a day ahead.) Preheat oven to 350 degrees. Cut parchment paper to fit the bottom of a 10-inch ...