1) In a bowl, set aside the black beans.
2) Next, chop the mango and yellow capsicum into cubes. Set aside.
3) Mince the garlic. Set aside.
4) Get a big bowl and scoop the cooked and chilled quinoa into it.
5) Next, add the black beans, chopped garlic, mango and capsicums.
6) Next, add the limau juice. Squeeze the limau over a strainer and let the juice run into the salad.
7) Mix well.
8) Grab a spoon. Serve and enjoy!