Heat oven to 350F/180 °C/Gas 4. 1. Brown the peanuts under the grill (broiler), shaking them and turning frequently so that they do not burn. Then chop or grind them them coarsely. 2. Whisk the egg white with a pinch of salt until stiff; and then fold in the sugar and vanilla flavoring and whisk again. Add the peanuts. 3. Put some waxed/greaseproof paper on baking tray and grease it lightly. 4. Using a teaspoon, put small heaps of the nut mixture onto the baking tray and cook for about 20-25 minutes until the macaroons are golden.