Heat olive oil in a large saucepan over medium heat. Sauté onion in olive oil until translucent. Add peppers, cook until soft. Add tomato paste and spices and cook until fragrant. Add dark lager, bring to a simmer and let reduce to half. Add cooked black beans and broth. Simmer for 10 minutes or until beans are soft. Blend in blender or with immersion blender. Add a splash of olive oil for body.
Add garnishes as you like.