Cook the sweet potatoes

• Prick the sweet potatoes and place them in the pressure cooker with a little water.
• Cook on high pressure until completely tender.

Warm the beans and chicken

• Sauté the onion in a frying pan until soft and translucent.
• Add the beans and shredded chicken and heat through.

Assemble and serve

• Split the sweet potatoes open and fluff the flesh.
• Spoon over the bean and chicken mixture.
• Top with the grated sharp cheddar and drizzle with the jalapeño sauce.