Learn How to Make Iced Coffee with Nescafe Instant Coffee? If you want a refreshing iced coffee without expensive equipment, you can easily make it at home using Nescafé instant coffee. Start by dissolving 1–2 teaspoons of instant coffee in a small amount of hot water so it blends smoothly. Add sugar or sweetener if you like, then pour the mixture over a glass filled with ice. Top it with cold milk or water depending on your taste and stir well. This simple method creates a smooth, flavorful iced coffee in just a few minutes, making it a convenient and budget-friendly option for coffee lovers who want a quick homemade drink.