How to Make Coffee Ice Cubes

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Homemade coffee ice cubes are the perfect way to make sure your iced coffee doesn’t get watered down as the ice melts. They preserves the flavor of your drink so the flavor stays robust and delicious to the last drop.

Not only are these coffee ice cubes super tasty, they’re also really easy to make. All you have to do is make the coffee, pour it into your favorite ice cube tray, and freeze it for 4 hours. The cubes can be used in your iced coffee drinks or to cool down your morning coffee.

coffee ice cubes

These coffee ice cubes can be made with pure black coffee, or you can add sugar or even flavored syrups to the coffee, so when you add a cube to your drink it gets flavored by the cubes.

I keep at least a tray or two of these cubes in the freezer at all times so we can just grab a few whenever we’re making Iced Mochas or Iced Coffee Frappes.

Ingredients for Coffee Ice Cubes

  • Coffee – the quality of your ice cubes depends on the coffee you use. I use the same coffee blend I use to make my iced coffee so the profiles are the same. You can choose to brew the coffee hot or make a cold brew. See below for instructions.
  • Ice cube tray – I like to use a small square silicon ice cube tray. The cubes are easy to pop out when they’re done.
  • Sugar, sweetener, or flavored syrups, if you want.
iced coffee tray

How to Make Coffee Ice Cubes

There are two methods you can use to brew the coffee for these cubes.

  • Brew hot coffee: The easiest method is to brew hot coffee the way you usually do (in your drip coffee maker or French Press – however you choose). It will take at least 6 hours to freeze from hot, so take that into consideration if you need the cubes right away.
  • Cold brew coffee: It takes longer to make but results in a less acidic coffee, so the flavor is sweeter and smoother than hot brewed coffee. You’ll need 1 cup of water and 1 ounce coarsely ground coffee (about 1/4 cup whole coffee beans or roughly 1/2 cup ground coffee).  Combine the grounds and water in a jar. Refrigerate for 18-22 hours. Strain the liquid through a fine paper filter for mess strainer.

Pour coffee into your ice cube tray then stick them into the freezer. Then it’s just a waiting game! Make these ahead of when you plan to use them or you’re going to get very impatient. Usually ice cubes take around four hours to freeze completely (more if you start with hot coffee).

coffee ice cubes on the counter

Uses for Coffee Ice Cubes

Coffee ice cubes have so many uses! You can put them in iced coffee to make sure that it doesn’t get watered down by regular ice cubes as you drink it.

These can also instantly transform regular hot coffee into iced coffee without having to make cold brew! Any type of coffee drink can immediately be made iced with these ice cubes. No waiting around for something to chill in the refrigerator and no more watery drinks.

iced coffee

If you have leftover coffee after drinking, consider popping it into the freezer for later uses. It’s the most amazing thing to look in the freezer and remember that you have these ice cubes waiting!

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coffee ice cubes
Yield: 24 cubes

Coffee Ice Cubes

Prep Time: 5 minutes
Freeze Time: 4 hours
Total Time: 4 hours 5 minutes

Coffee Ice Cubes are easy to make and keep your iced coffee from getting watered down.

Ingredients

  • 1 cup water
  • 1 ounce coarse ground coffee
  • Sweetener, to taste (If desired)

Instructions

Brew hot coffee or cold brew coffee

Pour coffee into ice cube tray. Place tray in freezer. Leave until frozen solid, about 4 hours.

Notes

  • Use the cubes straight from the tray once frozen or store in an air tight container for up to 10 days.
  • This recipe uses an ice cube tray that makes 1"x1" cubes. You can use different sized cube trays, but the yield will be different for other sizes.

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Nutrition Information:

Yield:

6

Serving Size:

1

Amount Per Serving: Calories: 1Total Fat: 0gSaturated Fat: 0gTrans Fat: 0gUnsaturated Fat: 0gCholesterol: 0mgSodium: 2mgCarbohydrates: 0gFiber: 0gSugar: 0gProtein: 0g

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coffee ice cubes

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