|Cook the chorizo on a frying pan until fully cooked and crumbly. Use a wooden spoon to break the chorizo apart into small pieces.
|Sauté the onion in the same pan until translucent and add the chipotle, beans and chorizo. Mix well. Carefully add a splash of water if too dry.
|Transfer the beans to a small baking tray and cover them with the grated cheese.
|Preheat the oven to 300°F (150°C) and grate for 5-8 minutes until the cheese is bubbly.
|Garnish with fresh cilantro and serve with tortilla chips.