article: We have had cereal cafes, a porridge pop-up and a toastie restaurant so it should come as no surprise that London is about to get yet another single-item menu eaterie. The latest to open in the capital this week is the Oshun Café, which will serve £6 bowls of Brazilian superfood acai berries. The sparse menu offers four variations of berry bowls, served with different toppings and fruit accompaniments. The Native Acai Berry Bowl is topped with bananas, granola, raisin and honey . Oshun Kong (left) made with coriander, ginger, lemongrass and sprinkled with sesame seeds. Courgette, lime, sour cherries and strawberries in the Oshun Tang (right) The fruit bowls include Oshun Native made with acaí pulp, banana and honey; The Oshun Tang made with courgette, lime, sour cherries and acai pulp; the Oshun Kong featuring acaí pulp, banana, lemongrass, ginger, coriander and honey; and the Oshun Maya with acaí pulp, raw cacao, cinnamon, orange and avocado. Liane Holey, founder of the cafe said: ‘Brazil’s streets are filled with vendors blending acaí pulp with fresh bananas and then topped with honey and granola to create an innocuously addictive berry bowl. ‘Oshun Cafe wants the UK to celebrate this way of eating acaí, not as powder, dried supplements or in smoothies and pasteurised juices which have significantly smaller amounts of Açaí and preserved nutrients.” The acaí berry is a rich purple fruit indigenous to the Amazon rainforest. For hundreds of years, the small dark berries have been integral to the diet of native Amazonian people. The Acai Berry Bowl Cafe will serve four types of berry bowls. The cafe is open from seven days a week . Oshun Maya with cinnamon, raw cacao, orange and avocado with nested popcorn . The berries taste like blueberries and dark chocolate, with a distinctly earthy aftertaste. They are a favourite of celebrities such as Victoria Beckham, Oprah Winfrey and Matthew McConaughey. Due to their high level of antioxidants the berries are considered a superfood.They also contain high levels of manganese and Omega and are renowned for their weight loss qualities. Oshun Native - acaí pulp, banana and honey. Oshun Tang: courgette, lime, sour cherries and acai pulp . Oshun Kong: banana, lemongrass, ginger, coriander and honey. Oshun Maya: acai berries, raw cacao, cinnamon, orange and avocado . Speaking about the potent powder, food blogger and nutritionist Deliciously Ella said: 'Acai is unbelievably rich in antioxidants, with one of the highest levels ever tested (eight times that of blueberries and 10 to 30 times that of red wine,) as well as vitamin E and omega-3s, all of which work to stop free radical damage and keep your body. 'It’s also amazing for keeping your skin glowing and slowing down the signs of ageing.' The large seed from each berry is removed and the remaining Açaí pulp (along with its nutrients) is frozen within 24 hours of being harvested, due to the fresh berry’s short lifespan. In Brazil, acai berry bowls are eaten around the clock. Melt Room, which only serves toasties - or 'melts' as they are known - will open in Soho, London in May . Cashing in on the trend for single-item menu restaurants, Melt Room, which only serves toasties - or 'melts' as they are known - will open its doors in May. The menu will offer a variety of sandwiches, from the classic grilled cheese which will set you back £4.50 to more upmarket fillings such as slow-cooked lamb shoulder with mustard dressed greens. Nik Williamson of The Porridge Cafe . The menu is currently being finalised but there will approximately be four breakfast toasties or 'melts' as they will be called, and six signature melts . The 12-seater cafe will also serve seasonal specials and 'hero melts' with unique cheeses. Melt Room follows on the heels of Old Street's Porridge Cafe, Simply Crispy in Belfast which serves crisp sandwiches and Brick Lane's Cereal Killer Cafe . The Porridge Cafe - from the founders of The Bow Street Kitchen Nik Wiliamson and Elly Harrington - opened in early March and serves 25 types of porridge made from 11 different grains. Prices range from £2.35 for a bowl of basic porridge to £7 for the more hearty versions, with meat and vegetable toppings. The cafe serves both sweet and savoury versions of the traditional breakfast dish. In December 2014 self-confessed cereal obsessives Alan and Gary Keery launched the UK’s first cereal cafe featuring 120 cereals, 20 types of toppings and 12 varieties of milk. The identical twins’ establishment opened in Brick Lane, London and offers a menu of over 100 cereals from around the world. The duo came under fire when they first opened their cafe, for charging £3.20 for a bowl of cereal. The single-item cafe movement is not just confined to London. Belfast's Simply Crispy which opened earlier in January was the brainchild of businessman Andrew McMenamin who had planned to keep his pop-up going for just four weeks. Alan and Gary Keery launched the UK’s first cereal cafe featuring 120 cereals, 20 types of toppings and 12 varieties of milk . Belfast's Simply Crispy which opened  in January is the brainchild of businessman Andrew McMenamin . But with diners queuing down the street to get their hands on the snacks, which have sold out every day, the cafe will now stay open and could even expand to other shops in Northern Ireland, Dublin, or London. 'We have managed to sell out every day - not the crisps though, the bread, the baps. We can't get our hands on enough fresh baps because everything flies out of the door,' Mr McMenamin said. Moo’d, opened by best friends Zoe Blogg and Jen Gibb in Leeds in February this year, offers 100 different cereals as well as ‘cocktails’ consisting of mixed varieties of different brands. Not wanting to be left behind, two rivals are racing to become Manchester's first cereal cafe. Black Milk Cereal Dive has confirmed it will open in Afflecks Palace this month, and according to Twitter, Cereal Central MCR is 'coming soon.' The acai berry is a rich purple palm fruit indigenous to the Amazon rainforest. For hundreds of years, these small dark berries have been integral to the diet of native Amazon people. The berries are packed with amino acids, as well as vitamins A, B, C and E and minerals such as potassium, calcium, magnesium, copper and zinc. The fruit perishes quickly after being picked, so to help preserve its goodness it is often made into acai berry juice, supplements or powder, which is often whizzed into a smoothie. According to some sites selling acai products, the berry's fibre and essential fatty acid content contribute to its ability to burn fat more efficiently, process food more quickly, cut down on cravings, and boost metabolism.
highlights: Oshun Cafe serves four variations of Brazilian superfood, costing £6 each .
  Pop-up restaurant will be open from 8 to 27 April .
  Berries packed with amino acids, as well as vitamins A, B, C and E .
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