Vegan Lentil Chilli

Ingredients

• 300 ml vegetable stock
• ¼ tsp black pepper
• 1 onion (diced)
• 1 tbsp tomato puree
• ½ tsp ancho chilli powder
• ½ tsp chipotle chilli powder
• 2 x 400g tins chopped tomatoes
• ½ tsp ancho chilli flakes
• 1 tsp sea salt
• 2 peppers (diced)
• 1 tbsp Mexican oregano
• 400g tin kidney beans in chilli sauce
• 400g tin black beans ((rinsed))
• 3 garlic cloves (diced)
• 1 tsp chipotles in adobo sauce ((optional))
• 1 red chilli (sliced)
• 200 g red split lentils (rinsed in cold water)
• 30 g dark chocolate ((at least 70% cocoa))