- Slice the chayote in half lengthways and remove the center seed. 
- Place the chayote halves in a saucepan of simmering water and cook for 20 minutes until the chayote is soft and tender. 
- Remove the chayotes from the saucepan, drain and allow to cool slightly so you can handle them. 
- Remove the insides, leaving a small skin, with a spoon and chop. 
- In a small skillet, heat the olive oil on a medium heat and add the onion. Cook for 5-8 minutes until soft. 
- Add the minced garlic and cook for a further 2 minutes. 
- Stir in the spices and cook for 1 minute. 
- Add the cooked chayote and cook for 3-5 minutes, stirring to ensure that all the ingredients are mixed well. 
- Preheat the oven to 200C/400F degrees. 
- Spoon the spicy chayote mixture into the chayote shells and spread evenly. 
- Sprinkle the cheese over the top of the filled chayotes and place them in a baking dish. 
- Bake for 25-30 minutes until the cheese is golden.