Make this recipe a recipe that people in that category can eat. categories: ['dairy_free'], recipe: beat the egg whites until soft peaks formed. then add caster sugar, one tablespoon at a time and beat until the sugar dissolved and the mixture looks white and glossy. add the cornflour and the vinegar and fold them gently into the mix. then put the mixture on a tray lined with baking paper. make the grooves along the sides by using a butter knife. bake at 150 c for 45-50 minutes.

Target recipe: beat egg whites until they are stiff. add cold water to the eggs, beat again. add castor sugar gradually while still beating. add vinegar, vanilla and cornflour, again, while still beating. put greased paper on a greased tray and bake at 150 degrees c (300 f) for 45 minutes. cool in the oven.