Nomthandazo Platyi said she was making meals for pupils in 2017 when a gas explosion occurred.
After the incident, she spent three months in hospital, during which time she was comatose for a month, she said.
“I was putting the gas on and it exploded. There was a crack in (the stove). I was still lighting the matches when it happened. My clothes and face caught alight, my hands and feet were on fire,” she said.
A caretaker heard the commotion and ran to her rescue.