Marshmellows Arabic

Beat the whites of 2 eggs. Dissolve 50 g (2 oz) gum arabic in 150 ml (1/4 pt) water then strain it. Put mix in clean pan with 1.5 teaspoons of sugar. Heat and stir continuously until sugar is dissolved. Boil until the mix becomes rubbery. (Put a drop in to cold water and see if it forms a rubbery lump.) Add orange extract or vanilla or other sweet flavour. Work in the egg whites. Drop spoonfulls of the mix on tray coated with cornflower. Dust with cornflower. Leave to