Spicy chilli bean soup - Good Food Middle East

Ingredients

• 1 tbsp olive oil
• 1 large onion, finely chopped
• 1 garlic clove, crushed
• 1 tbsp tomato purée
• 1 tsp mild chilli powder
• ½ tsp ground cumin
• 400g can chopped tomatoes
• 500ml vegetable stock
• 400g can mixed beans, drained and rinsed
• 1 red pepper, cut into chunky dice
• tortilla chips, to serve
• 4 limes wedges, to serve