Fry the halved Breakfast Bangers in a little oil.
Remove and place on absorbent paper.
In the same pan, fry the onion until soft, add the tomato and black beans, season with salt and pepper and heat through.
Place the wraps on the counter.
Share the bean mix between the 4 wraps , placing it down the centre.
Slice the avocado and place next to the row of bean mix.
Place 2 ½ slices of the Bangers in each wrap. Roll up, cut and serve with a salsa on the side.