Pre-heat oven to 200°C / 180°C fan / 400°F / Gas 6On a baking tray, scatter the nuts and toast in the oven for 8-10 mins, then set aside. Line a baking pan that is at least 20 x 20cm with baking parchment and brush with flavourless oil, to avoid the nougat sticking.
Into a heavy-based saucepan, heat the sugar with the water over a moderate heat without stirring. Place a sugar thermometer inside the pan, and when the temperature reaches 135°C (275°F) add the honey.
Continue to cook until the mixture reaches 158°C (316°F). At this point, immediately remove the mixture from the heat and leave it to cool for a minute or two.
In a stand mixer bowl, with a whisk attachment, on a low speed whisk the egg whites and a pinch of salt until they form stiff peaks.Turn down the speed of the mixer and pour the hot sugar syrup down the side of the mixing bowl in a slow, steady stream. Add the strawberry powder, the cornflour and turn the speed back up. After about 10 minutes, you will have a thick, glossy, smooth meringue that is harder to work and starts to tear.
Beat in the butter and then using a spatula, stir through the nuts, cherries and vanilla extract.
Scrape the mixture into the lined pan, then flatten with a lightly oiled spatula and spread out to the desired thickness. I like mine to be around 2cm (1inch) thick.
Leave to cool for 4-5 hours until set.Then turn out and, using a big sharp hot knife, portion into bars or squares.