Vegan Arepas with Black Beans and Crispy Fried Plantain

Name: Vegan Arepas with Black Beans and Crispy Fried Plantain
Ingredients: 400 g plantains (peeled); 1 Tbsp sunflower oil; 300 g white cornmeal; 375 ml water; 1/2 tsp salt; 1 avocado; 20 g fresh coriander; 1 lime (juice only); 1 garlic clove (peeled); 1 1/2 Tbsp olive oil; 50 ml water; 50 g soy yoghurt; 50 g cashews; Salt and freshly ground black pepper; 350 g black beans; 75 ml water; 1 1/2 Tbsp tomato purée; 1/2 tsp ground cumin; 1/2 tsp ground coriander; 1/2 tsp garlic powder; 1 tsp smoked paprika; 1 tsp paprika; 1 tsp dried oregano