Save the doughnut holes. Knead scraps together, being careful not to overwork the dough, and repeat the process of rolling it out and cutting the doughnuts. Boil until the Irn Bru reduces to around a 10th of it’s original volume. It took around 2.5 hours for 2 litres to reduce down to 200ml but obviously the less Irn Bru you use, the less time it’ll take.

Peter Gilchrist of food blog Tenement Kitchen went viral with these amazing looking doughnuts, which you can make at home. Ingredients

In a pot, bring a litre of Irn Bru to the boil and then simmer for around 20 minutes without a lid. Another classic ad, which this time, pokes fun at the Americana-style commercials that were prevalent at the time, summed up hilariously with the line "It's not a drink from those crazy Yanks, because it's made right here you know it's tougher than tanks". Fry the mixture on a medium heat for three minutes, or when the pancake is cooked, and then flip and fry the other half for the same amount of time. For the best results only flip your pancake once. During the mixing process, you may need to stop the mixer and scrape down the sides. If the dough is too wet to handle, add in flour 1 tablespoon at a time. Cover the bowl with a large kitchen towel, and leave it in a warm place to let it rise until it doubles in size, about 1 hour.

When the bottoms of the doughnuts are golden, about 45 seconds, flip the doughnuts over using a spatula. Cook until the other side is also golden. As iconicas whisky and as famous as haggis, Irn-Bru, is widely enjoyed not just in the land of its birth but also across the globe - including being used in recipes. For the filling: Combine white chocolate and double cream over a double boiler until combined. Let cool and mix in 4 tbsp Irn-Bru. Use a piping bag to fill each sandwich The most famous ad on this list is a cheeky take on classic Christmas short, the Snowman. Featuring several of Scotland's most famous landmarks and even a guest appearance by Nessie, Barr's take on this festive classic will have you smiling from ear to ear.When the butter & sugar start to come together, gradually add your Irn Bru syrup a spoonful at a time. Continue to mix until completely combined and of a light & fluffy consistency. If you want a deeper orange colour then you can add a dab of orange food colouring also. Cover the doughnuts with a kitchen towel and let them rise in a warm place until they are puffed up about 45 minutes. Barr’s exotic efforts to heat up soft drinks sales for this summer Flavours in the sun: Barr is keen to push sales this summer with new launches. Marking the release of Irn-Bru Xtra Ice Cream and Tropical which are on shelves this summer, fans will have just 30 minutes at some of the nation’s sunniest spots to spot the ice cream van and get their hands on the ice-cold cans.