Here is my quick and simple iced coffee recipe using instant coffee – perfect for those mornings when you need caffeine but don’t want to wait for a full pot to brew. The combination of cold water, instant coffee, and your choice of milk creates a refreshing drink that’s ready in minutes.
This iced coffee has become my go-to summer drink, and I make it almost every afternoon when I need a pick-me-up. I usually make a double batch and keep some in the fridge for later. Nothing better than having cold coffee ready to go, right?

Why You’ll Love This Iced Coffee
- Super quick preparation – Ready in just 5 minutes, this iced coffee is perfect for those busy mornings when you need your caffeine fix fast.
- Budget-friendly – Using instant coffee instead of specialty cold brew or espresso shots makes this a wallet-friendly alternative to expensive coffee shop drinks.
- Customizable drink – You can easily adjust the coffee strength and add your favorite creamer or milk to make it exactly how you like it.
- Simple ingredients – With just instant coffee, water, and ice as the base, you probably already have everything you need in your kitchen.
What Kind of Instant Coffee Should I Use?
Not all instant coffee is created equal, and the brand you choose will definitely impact the taste of your iced coffee. Regular freeze-dried instant coffee works perfectly fine, but if you want to level up your drink, look for instant coffee labeled as “premium” or “golden roast” – these tend to have a smoother flavor with less bitterness. Some popular brands like Medaglia D’Oro or Starbucks VIA make specific instant coffee versions meant for cold drinks, which dissolve more easily in cold water. Just keep in mind that darker roast instant coffees will give you a stronger, more intense flavor, while medium roasts tend to be more balanced and smooth when served over ice.

Options for Substitutions
This simple iced coffee recipe can be customized in several ways to match your preferences:
- Instant coffee: While instant coffee is the quickest option, you can use cold brew concentrate (use 2-3 tablespoons) or leftover strong brewed coffee that’s been chilled. Just remember that regular brewed coffee should be made stronger than usual since the ice will dilute it.
- Creamer: The options are endless here! Try regular milk, half-and-half, non-dairy alternatives like oat milk or almond milk, or flavored coffee creamers. For a richer drink, try condensed milk or a splash of heavy cream.
- Ice cubes: To avoid watering down your coffee, try making coffee ice cubes by freezing leftover coffee in an ice cube tray. You can also use regular ice – it just might make your drink a bit more diluted as it melts.
- Water: If you’re looking for a creamier drink, you can replace some or all of the water with cold milk. Just keep in mind this will make your drink richer and less coffee-forward.
Watch Out for These Mistakes While Making
The biggest mistake when making iced coffee with instant coffee is using hot water and then trying to cool it down – this not only takes forever but can also result in a watered-down drink when the ice melts too quickly. Instead, dissolve your instant coffee in a small amount of room temperature water first, then add cold water and ice.
Another common error is adding too much instant coffee thinking it will make up for the ice dilution – this leads to an overly bitter drink that’s hard to rescue even with creamer. Start with the recommended amount and adjust to taste after adding ice and creamer.
For the smoothest results, mix your instant coffee into a paste with just a splash of room temperature water before adding the rest of your cold water – this prevents those pesky undissolved granules from floating around in your drink. If you’re using creamer, add it last after the coffee is fully mixed and chilled, allowing you to control the strength and creaminess perfectly.

What to Serve With Iced Coffee?
Iced coffee makes a perfect partner for all kinds of breakfast and brunch treats! A warm, buttery croissant or muffin provides a nice contrast to the cold, refreshing coffee. For something more substantial, pair it with a breakfast sandwich – the savory eggs and cheese taste great alongside the smooth coffee. If you’re going for an afternoon pick-me-up, try it with a slice of coffee cake or some chocolate chip cookies (the sweetness plays really well with the coffee’s bitter notes). Just remember to serve your iced coffee right away, before the ice melts and waters down your drink!
Storage Instructions
Keep Cold: Your iced coffee will stay fresh and tasty in the fridge for up to 24 hours. Just keep it in a sealed container or pitcher, and give it a quick stir before drinking since the coffee might settle a bit at the bottom.
Make Ahead: Want to save time in the morning? Mix up a bigger batch of the coffee base (just the instant coffee and water) and keep it in the fridge for up to 3 days. When you’re ready for your coffee fix, just add ice and your favorite creamer!
Serving Tips: If you’ve stored your iced coffee for a while and find it’s gotten a bit strong, just add a splash more cold water or milk to adjust it to your taste. Remember that as ice melts, it will naturally dilute your drink a bit.
| Preparation Time | 5-10 minutes |
| Cooking Time | 0-2 minutes |
| Total Time | 5-12 minutes |
| Level of Difficulty | Easy |
Estimated Nutrition
Estimated nutrition for the whole recipe (without optional ingredients):
- Calories: 50-150
- Protein: 0-2 g
- Fat: 0-10 g
- Carbohydrates: 0-5 g
Ingredients
- 2/3 cup cold water
- Ice cubes (for extra chill without diluting too quickly)
- Creamer (I like Coffee-mate creamers)
- 1 1/2 tbsp instant coffee
Step 1: Dissolve the Coffee Grounds
Begin by adding the instant coffee grounds and cold water to a glass.
Stir well to combine.
Continue stirring constantly until the coffee is completely dissolved, which may take 1-2 minutes.
The coffee should be fully integrated into the water with no visible granules.
Step 2: Customize and Serve
Once the coffee is fully dissolved, add ice to the glass to your liking, ensuring it’s chilled.
Then, pour in the creamer to taste, adjusting the amount based on your preference for creaminess.
Stir gently to combine all the ingredients.
Enjoy your refreshing iced coffee!