1. In a large bowl, combine jalapeno, lime zest and juice, olive oil, salt, and pepper.
2. Add chicken breasts and turn to coat. Let marinate 20 minutes in fridge. 
3. Preheat barbecue to medium-high. 
4. Place chicken on grill.
5. Close lid and cook for 7 to 8 minutes per side, until a meat thermometer indicates an internal temperature of 77°C (170°F) or chicken is cooked through.
6. Serve with delicious grilled corn.

Chef’s secret

If you have any zested limes left over, serve them with the chicken or corn, or store in freezer to use for your cocktails.