Cut the sides off the pepper (leaving the core and seeds behind), spray with a little oil and roast in a preheated fan oven at 200°C for about 20-25 minutes.Let the pieces cool slightly before removing the skin and cutting the pepper into small dice.
Meanwhile, cook the quinoa according to the packet instructions, then rinse in cold water. Drain well in a sieve.
Put the chickpeas, quinoa, roasted pepper, kale, parsley, red onion and sun-dried tomatoes in a bowl.
Mix the ingredients for the vinaigrette, season with salt and freshly ground pepper and pour it over the salad. Toss well and adjust the seasoning with salt, freshly ground pepper and chilli flakes.