Reliable data on waste management and controlling waste will be illuminated in an effective way to suggest better waste management practices in the hospitality industry in New Zealand. This research suggests effective steps to regain and minimize the waste produced in Mexico restaurant, which is located in Victoria Street, Hamilton. To obtain the data, interviews and observation were the preliminary methods used in this research to clearly understand the main cause of the problem by the organisation in terms of waste. This research has covered waste management issues faced in SMEs and steps to control food waste in restaurants. All the collected data are compared and analysed under a statistical result and these results are discussed on the basis of the current waste management practices of the business. The key findings recommend a possible method to control waste and implementing new software to monitor the waste. Further research will carry over under the same stream by influencing engineering methods and machines, which will be a positive deliverable for a sustainable environment and society.