Last updated on August 31st, 2023

Learn How To Make Iced Coffee At Home

Learning how to make iced coffee at home is not as complicated as it might sound. It only takes a few crucial details to avoid the bitter and oxidized flavor typical in bad iced coffee. This homemade iced coffee recipe will be your zoomed-out guide, and within it, we will link to our favorite recipes specific to certain situations and brewing equipment.

how to make an iced coffee at home with milk

And remember, making iced coffee at home can be as simple or complicated as you want, although we recommend against simply dumping ice into your coffee mug. This article will give you the basic principles, a simple recipe, and links to the more complex iced coffee recipes.

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How to Make Iced Coffee At Home: The Basics

Many people prefer iced coffee during the summer when hot coffee is overwhelming. And after reading this article, you will not have to rely on a coffee shop to get this delicious coffee beverage.

So before getting into the recipe, let’s review what iced coffee is and give a few standard tips.

What is Iced Coffee?

In a general sense, iced coffee is the category of any coffee beverage you drink cold instead of hot. This umbrella category includes normal hot coffee that you cool down (and drink with ice) and cold brew iced coffee that never uses hot water. Some might even consider the iced Americano in this general category.

So even though cold brew is technically different than iced coffee, to simplify homemade iced coffee, we will consider them the same overall beverage.

How To Make Homemade Iced Coffee: Cold Brew vs Regular Hot Coffee

La Colombe Cold Brew Coffee

La Colombe Cold Brew Coffee

So what exactly is cold brew coffee, and how is it different from regular hot coffee? When you make iced coffee from regular hot coffee, you wait several hours for the coffee’s temperature to drop so that serving it over ice doesn’t cause too much melting.

But you brew cold coffee without heat for 18-24 hours. This extended brew time results in a coffee concentrate with a different texture and flavor better suited to cold coffee beverages. Cold brew coffee is also less acidic than hot coffee. Once you have your cold brew, it is also one of the fastest ways to make iced coffee.

How to Make Good Iced Coffee at Home: Tips & Tricks

If you are starting with a coffee concentrate like cold brew, you merely fill your cup with ice and pour in your concentrate. You can play around with the ratio to get the flavor you prefer. But for hot coffee on a standard drip method, the key is to brew much stronger coffee so that ice can melt without producing a weak and watered-down flavor.

Some tips to make the perfect iced coffee include:

  • Brew strong coffee (1:12 ratio) to avoid a weak-tasting cup when the ice melts.
  • Allow hot coffee to reach room temperature before adding ice
  • Avoid storing brewed coffee in the fridge for multiple days (it will taste stale)
  • Consider pouring coffee into an ice cube tray to have ice cubes that do not water your drink down.
  • Use a concentrate like cold brew, AeroPress espresso, or Americano whose flavor holds up even when the ice melts.

Those tips are great for repurposing hot coffee, but our recommendation for the most delicious coffee is to make Japanese iced coffee, which is a manual pour over method. Japanese iced coffee chills the hot coffee drip by drip, creating a bright and exciting taste that avoids the stale taste of repurposed hot coffee.

Japanese iced coffee works best with a manual pour over method, but you can also use a coffee maker with ice in the carafe.

AeroPress Coffee Press

AeroPress works fantastic for iced coffee

Homemade Iced Coffee Recipe: Step-by-Step Guide

Even though it produces the most delicious iced coffee, the Japanese method is intimidating for some. Many people want a way to easily convert their usual coffee routine without learning a new brewing ratio or technique. This recipe will work for any method, including a French Press, a coffee maker, and even instant coffee granules.

The primary takeaway is to avoid the common pitfalls of poorly made iced coffee: either weak/bland flavors or the stale taste of oxidized coffee. While hot brewed coffee can survive in the fridge for a few days, we do not recommend it if you care about the flavor.

Learn how to make iced coffee at home with this easy homemade iced coffee recipe

1. Brew Strong Coffee

Since some of the ice will inevitably melt, iced coffee tastes better when you brew with a stronger ratio—more coffee per unit of water. A normal ratio is 1:17 (1 part coffee to 17 parts water). For iced coffee, we recommend brewing at 1:12. This stronger ratio applies to instant coffee as well. You can also make coffee ice cubes to help prevent dilution.

If measuring coffee beans with a scale, you can dial in the exact ratio in grams. By volume, measure approximately two tablespoons of ground coffee for every four ounces of water.

2. Cool to Room Temperature

If you add ice to a fresh pot of coffee, the ice will completely melt and your drink will taste weak. Coffee can also take on weird flavors when you change temperatures too quickly. Instead, brew ahead of time to allow the coffee to cool to room temperature. You can also speed up the process in the fridge. Either way, use an airtight container to maintain a fresh flavor.

3. Serve Over Ice

Once your coffee is cool enough, fill up your glass with ice and pour the strong ice coffee brew over it.

Other Easy Iced Coffee Recipes

how to make iced coffee from home with an Americano style drink

The instructions above give you a standard procedure for converting your usual coffee routine to iced coffee. But if you are feeling more adventurous, another easy iced coffee recipe is to make an espresso-based drink. For example, when you order an iced latte at a cafe, they pour the hot espresso over ice and add cold milk. Espresso is strong enough to maintain flavor even with some ice melting.

And even without an espresso machine, you can make an espresso-like beverage by brewing strong coffee in an AeroPress, a French Press, or a Moka pot. These will produce something resembling the iced Americano, and they are fast and easy once you get used to the routine.

Other easy and fun homemade iced coffee recipes include:

  • Vietnamese iced coffee with sweetened condensed milk
  • Keurig iced coffee
  • Iced Americano
  • Cold Brew Recipe
  • Coffee soda using sparkling water
  • Dessert iced coffee with chocolate and whipped cream

Ingredients to Spice Up Your Iced Coffee

As you can see from some of the ideas above, there are many creative ways to spice up your iced coffee. Many people already enjoy coffee with common additives such as milk and sugar. And today dairy free options like oat milk and almond milk are popular.

And if sugar is not sweet enough, you can get add syrup (or multiple syrups) to add some creativity to your iced coffee drink. Simple syrup and maple syrup work well, and topping it with whipped cream and brown sugar is also a possibility. We do not need to tell you how popular pumpkin spice flavors are these days!

Pumpkin Spice Syrup

pumpkin spice syrup for making iced coffee from home

How to Make an Iced Coffee in the Morning When Pressed for Time

Ovalware Cold Brew Coffee Maker

Cold brew coffee maker for the fastest homemade iced coffee

Speed is difficult with iced coffee because you want the hot water to cool down before adding ice. But if you are usually pressed for time in the morning and wondering how to make iced coffee fast, there are a few ways to make iced coffee quickly.

One method is to store leftover coffee from the day before in the fridge. In the morning, you can pour this over ice. Another method is cold brew coffee—whether you make it yourself or buy a pre-made cold brew, it is as easy as pouring over ice.

How to Make Iced Coffee Without Ice

We won’t lie: it is tricky to enjoy iced coffee if you do not have any ice cubes. But if you have a freezer, you can put cold brew coffee or regular coffee in the freezer and wait long enough for some of it to freeze. Aim for that middle ground where there is enough liquid to drink but enough ice to keep it cold for a while.

Making Iced Coffee at Home: Common Questions

Now that you have seen our basic recipe, let’s wrap up by answering some of the most common iced coffee questions.

How do you make regular coffee into iced coffee?

If you have time, you can put regular brewed coffee in the fridge to cool down or let it reach room temperature on the counter. Once the coffee is cold, you can serve it with ice and avoid the immediate melting that waters down hot coffee.

How can I make iced coffee without watering it down?

The primary way to avoid weak iced coffee is to brew your hot coffee with more strength. A tighter coffee-to-water ratio of 1:12 will give you room for ice to melt. Another method is to make coffee ice cubes that will cool your drink without diluting the flavor.

Can you put hot coffee on ice?

We do not recommend putting hot coffee on ice without letting it cool to at least room temperature—the heat will immediately melt the ice and water down your drink to taste weak and oxidized. But gradually cooling a stronger hot coffee over ice does produce tasty results.

Can I put coffee in the fridge to make iced coffee?

You can put hot coffee in the fridge to cool it down before you make iced coffee. Just make sure to use an airtight container to avoid oxidation and the bad flavors that come with it.

Homemade Iced Coffee: Final Thoughts

Learning how to make iced coffee from home need not be complicated. As you can see, a slight adjustment to your normal brewing ratio will make delicious iced coffee that does not taste watered down. In a pinch, regular coffee also works as long as you let it cool to room temperature.

And for creative types, you can add syrup, milk, whipped cream, and any number of other ingredients to make a fancy drink!

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