Black bean and corn salsa

2 x 400g cans black beans, drained and rinsed or 1/2 cup dried beans, prepared (see below)
1 ½ cups corn kernels, thawed
1 capsicum, finely diced
1 cup finely diced celery
¾ cup minced red onion, salted for 20 mins, then rinsed under boiling water
1 fresh chilli, seeded and minced
½ cup chopped coriander
I avocado, diced

Lime dressing
¼ cup fresh lime juice
2 tsp  grated lime zest
2 tbs brown sugar
1 tbs Dijon mustard
S + P to taste
¼ cup vegetable oil

1. In a large bowl, combine all salad ingredients, except avocado.

2. In a small bowl, combine all dressing ingredients, except the oil. Mix together, then gradually whisk in the oil.

3. Pour dressing over salad, and stand one hour before serving.

To prepare black beans cover with water, heat and simmer for 2 minutes. Allow to stand for 1 hour, then drain, cover with lots of water and simmer 20-30 minutes. Don't allow them to boil at this point or their skins will split.