This can be done via the Business Dashboard using the Menu Editor under Online Ordering.
Follow the steps given below:
1. Select Menu Editor under Online Ordering on the dashboard navigation list.
![image](https://lh3.googleusercontent.com/yDsjxlIGdXvhpuFkwpbji38JO3hFYo0CEX5jo4-icFKzDitnmcRBzE2TQ6OCSCiQzdoYpMXv4sGCbihJbFQUnR9yMJPUGFquvJmwz1HdSUjQkhJXDg_sIhvqp2WZwdfedDv2A2iE)
2. Find the Item you want to add an image for by picking them from their relevant Category / Sub Category and select the same.
![image](https://lh3.googleusercontent.com/5wlxE7ZrRVveWjlEJxmm7F5PHjgVo9fqg3Nw879RlhTx8UueiljtUtkenReSdbCu8OvVrk0sHoV8BT_V3gx3b3C2YwxRx5na7vhIVuVtUKCsUwhHFrCm5TVLZy7zV0quYfdQl58M)
3. On selecting the Item, you will see the Item Details tab for the same, scroll down to Item Image:
![image](https://lh4.googleusercontent.com/aiPnpReLbbaiBQZI9HKUzsm_kLqvSM-R-56o-cK-HypIuqsjNC4jcH4H7upVE-MPzcwCEZjdp2iSl8-CP-gle01vd5RFDeyZPiak-cvwLAWqnhF7srOwxs6o8v4f3Gg8XX2NGTH0)
4. Click on Browse Images and you can add the Image.
5. Once you've made the edits click on Save.