Chop up all the vegetables and garlic into small pieces and place in a large saucepan.
Put the chickpeas and the cannellini beans into a colander and rinse through with cold water for about 30 seconds.
Add these and the peas to the vegetables in the saucepan.
Dissolve the chicken stock cube in 500 ml of water and pour over the vegetables.
Add the olive oil, chilli powder and salt and bring to the boil.