Mixed bean chili soup

Ingredients

• 2 tbsp canola oil
• 1 onion (chopped)
• 2 garlic cloves (crushed)
• 1 red pepper (deseeded and chopped)
• 1 green pepper (deseeded and chopped)
• 3/4 cup button mushrooms (sliced)
• 1/2 tsp chili powder (or to taste)
• 1 tsp ground cumin
• 1 540ml can mixed beans (drained and rinsed)
• 1/2 a 796ml can chopped tomatoes
• 2 1/2 cups tomato juice
• 1 1/4 cups diluted salt-reduced or homemade vegetable stock
• 2 tbsp cilantro (chopped)
• 1/3 cup light sour cream
• 4 sprigs cilantro