MAFETENG, March 12 -- Imagine a cooker that helps you save on electricity and gas while also being environment friendly. That's what Moipone Kata, a businesswoman from Mafeteng, has created.

Her innovation, the hot box cooker, is designed to be energy-efficient and practical, especially for people looking to cut down on utility bills. The cooker, also known as a thermal cooker, uses heat retention technology to continue cooking food without needing a constant heat source.

"I wanted something simple yet effective, something that would make life easier for people, especially during winter when power costs shoot up," Kata explained.

At first, she used blankets to keep food warm, a trick she learned growing up. But after attending training...