One Pot Dishes: Chipotle black bean and quinoa chilli

Ingredients

• 1 onion, finely diced
• 1 garlic clove, crushed
• 1 sweet potato, peeled and cut into a 1cm dice
• 2 tsp chilli powder 
• 2 tsp cumin seeds 
• 2 tsp paprika 
• 1 tbsp chipotle in adobo
• 200g mixed colour quinoa
• 1 x 400g tinned black beans
• 800ml vegetable stock
• 1 x 400g tinned tomatoes
• 1 avocado, sliced
• 20g coriander
• 100g grated mature cheddar
• 50g sour cream
• 1 lime, cut into wedges