Smokey Bean Chilli with Nachos

Ingredients

• 1 red pepper, deseeded and cut into chunks
• 3 tbsp olive oil
• 1 red onion, sliced
• 1 yellow pepper, deseeded and cut into chunks
• 1 green pepper, deseeded and cut into chunks
• 50 g shiitake mushrooms, sliced
• 2 tsp chipotle paste
• 400 g butter beans, drained and rinsed
• 800 g black beans, drained and rinsed
• 400 g enchilada sauce
• 1 handful basil leaves, chopped
• 4 spring onion, finely chopped
• 1 avacado, smashed (use a fork to mash)
• 150 ml soured cream, to serve
• 1 tortillas, to serve