Pre heat oven to 220 degree C.
Peel and halve sweet potatoes and lay on baking paper. Drizzle with coconut oil and sea salt.
Pop into oven and bake for 30 mins (or until softened and slightly caramelised).
While sweet potatoes are cooking, blend onion, garlic and mushrooms in food processor.
Add oil to medium heat saucepan and fry onion/ mushroom mixture, until softened.
Add tomatoes and black beans and stir through.
Add vinegar and mix.
Allow to simmer and once cooked through, set aside.
When sweet potatoes are cooked (stick a skewer into potato to test), layer onto a plate and top with tomato nacho sauce.
Sprinkle with fresh coriander, a dollop of cottage cheese and a big scoop of mashed avocado mixed with fresh lime.
Yum. Enjoy.