How to Make Perfect French Press Iced Coffee: A Step-by-Step Guide

Joshua Allerton
February 21, 2024

I've always been a fan of crafting the perfect cup of coffee at home. It's not just about saving a trip to the coffee shop; it's about the joy of making something delightful with your own hands. That's why I'm excited to share my go-to French press iced coffee recipe with you. It's simple, refreshing, and absolutely delicious.

Making iced coffee with a French press isn't just easy; it's a game-changer for your morning routine. Whether you're looking to beat the heat or just craving that cold coffee goodness, this recipe has got you covered. Let's dive in and transform your kitchen into the best coffee shop in town.

Choosing the Right Coffee Beans

When it comes to crafting the perfect cup of French press iced coffee, the selection of coffee beans is paramount. I've learnt over the years that not all beans are created equal, and the choice can significantly affect the taste and quality of your coffee. Here's a breakdown of what I've discovered on my journey to the perfect cup.

Arabica versus Robusta – these are the two primary types of coffee beans. I always lean towards Arabica beans for my iced coffee due to their smooth and nuanced flavours. Robusta, on the other hand, tends to be a bit more bitter and has a higher caffeine content. If you're after a milder taste, Arabica is the way to go.

Single-origin vs. Blend – Single-origin coffee comes from one place, offering unique flavours characteristic of its region. Blends, however, mix beans from various regions, aiming for a balanced taste. For French press iced coffee, I prefer single-origin beans to enjoy the distinct flavour profiles that shine through the cold brewing process.

Roast Type – The roast level of the coffee beans plays a crucial role in flavour. Light roasts are ideal for those who appreciate subtle, acidic notes in their coffee. Medium roasts bring a sweet balance of acidity and body, perfect for those new to French press iced coffee. Dark roasts offer robust, bold flavours, which can stand up to the dilution that comes with icing your brew. Personally, I find medium roasts to be the most versatile and forgiving, especially for those just starting out.

Remember, when it comes to choosing the right coffee beans, it's all about personal preference. Don't be afraid to experiment with different beans, roasts, and origins until you find your perfect match. I encourage you to explore and taste as many options as possible – it's part of the fun in becoming your own expert barista at home.

Grinding the Coffee to Perfection

Grinding your coffee beans correctly is crucial for making an excellent French press iced coffee. You'll want to achieve a consistent coarse grind, similar to sea salt. This consistency is vital because it allows water to evenly extract the coffee's flavours during the brewing process. Too fine, and you’ll get a bitter taste; too coarse, and your coffee might be under-extracted, leading to a weak brew.

Here’s how I do it:

  1. Measure the Coffee: Start by measuring out your coffee beans. For a French press, I recommend a 1:15 coffee-to-water ratio. That means for every 1 gram of coffee, you'll use 15 grams of water. It's a solid starting point, but feel free to adjust according to your taste.
  2. Grind Your Beans: Use a burr grinder if you can. Blade grinders are less consistent, leading to uneven extraction. Set your grinder to a coarse setting, and start grinding. Check the grind size and make adjustments as needed.
  3. Check Consistency: After grinding, give your beans a quick check. You're aiming for a uniform size, without too many fines. A little inconsistency is okay, but try to get it as even as possible.

Practicing and adjusting these steps will enhance your brewing skills significantly. Remember, the grind size might slightly vary depending on the specific beans and roast you’re using. I always suggest experimenting with different settings to find what best suits your palate.

Steeping is the next critical step after your beans are ground to perfection. It's where all the magic happens, turning those carefully ground beans into a rich and flavorful iced coffee. So, don't rush the grind. Take your time to get it right. It'll make all the difference in your final cup.

Brewing the Coffee with a French Press

Once you've got your coffee beans ground to a consistent coarse texture, it's time to move on to the exciting part – brewing the coffee with a French press. This is where the magic happens, turning those fragrant grinds into a delicious iced coffee. I'll walk you through the process step-by-step, ensuring it's simple and easy to follow.

Here's what you'll need:

  • French press
  • Coarse ground coffee
  • Hot water (just off the boil)
  • Stirring spoon
  • Timer

Follow these steps to brew:

  1. Preheat your French press by rinsing it with hot water. This helps maintain the temperature during brewing.
  2. Add your coarse ground coffee to the French press. The ideal ratio is 1:15, coffee to water. For a single serving, I usually use 30g of coffee and 450ml of water.
  3. Start pouring hot water into the French press, ensuring all the coffee grounds are fully saturated. Pour in a circular motion to achieve this.
  4. Give the coffee and water mix a gentle stir with a wooden or plastic spoon. Metal spoons can damage the French press glass.
  5. Place the lid on the French press with the plunger pulled up. Let the coffee steep for about 4 minutes. This is an excellent time for the flavours to fully extract.
  6. After 4 minutes, press the plunger down slowly. Doing it too fast can cause hot water to splash out or the coffee to become bitter.

Your coffee is brewed and almost ready to be transformed into an invigorating iced beverage. The freshly brewed coffee must be cooled down to room temperature before proceeding. To speed up cooling, you can set the French press in a cold water bath. Remember, patience is key here. Rushing through these initial steps can affect the final taste of your iced coffee, and I'm sure you'll agree that the best cup is always worth the wait.

Turning Your Brew into Iced Coffee

Once my freshly brewed coffee has cooled to room temperature, I'm ready to transform it into a refreshing iced coffee. This part of the recipe is as crucial as the brewing, and I've found a process that ensures a bold, flavourful cup every time.

First off, the right ice makes a difference. I avoid using regular ice cubes from my freezer as they tend to melt too quickly, diluting the coffee. Instead, I opt for larger, block-style ice cubes that melt slower, keeping the coffee strong and chilled for longer.

Here's my go-to method for making the perfect French press iced coffee:

  1. Prepare the Ice: Before brewing starts, I ensure I've enough large ice cubes. If large cubes aren't available, filling an ice tray halfway can also slow the melting process.
  2. Cool the Coffee: Once my coffee reaches room temperature, I transfer it to a glass pitcher or bottle. This small step helps it cool down evenly and makes it easier to mix later on.
  3. Choose Your Glass Wisely: I select a tall, wide glass for serving. This shape accommodates plenty of ice and coffee without spilling.
  4. Add Ice to the Glass: I fill the glass about halfway with my large ice cubes or chunks.
  5. Pour Over: I pour the room-temperature coffee over the ice-filled glass, leaving a bit of room at the top for any add-ins.
  6. Customize: This step is optional, but I often add a splash of milk, cream, or a sweetener like simple syrup or agave nectar. It's all about personal preference here.
  7. Stir and Enjoy: A quick stir ensures everything is well mixed, and then it's ready to enjoy.

Remember, experimentation is key to finding your perfect blend and strength. Some like their iced coffee stronger, opting for less ice or a higher coffee-to-water ratio during brewing. Others, like me, might favour a lighter taste, especially on a hot day.

Perfecting the Flavour

When I'm crafting the perfect cup of French press iced coffee, I know it's all about hitting that sweet spot with the flavour. Having experimented with countless batches, I've nailed down a few key steps and tips that make all the difference. Let me walk you through.

Firstly, choosing your coffee beans is pivotal. Opt for a medium to dark roast for that rich, robust flavour that stands up well against the dilution from ice. Freshly ground beans are non-negotiable for the best taste.

Here's a simple step-by-step guide to getting your coffee just right:

  1. Measure and Grind: For every cup (approximately 240ml) of water, you'll need about 15g (or two tablespoons) of coffee beans. Grind them coarsely.
  2. Brew: Add your ground coffee to the French press, then pour hot water (not boiling) over the grounds. This should be done slowly, in a circular motion to ensure all grounds are wet. Let this mixture steep for 4 minutes.
  3. Plunge: Push the plunger down slowly. This separates the grounds from the liquid, which is now your coffee concentrate.

To really elevate the flavour, here are a couple of personal hacks I swear by:

  • Chill the Coffee Quickly: Transfer the brewed coffee into a new container and place it in the fridge immediately. This stops the brewing process and maintains its bold flavour.
  • Sweeten Wisely: If you're adding sweetness, do it while the coffee is still warm to ensure it dissolves thoroughly. Opt for simple syrup or liquid sweeteners as they mix in easily without needing extra stirring.

Adjusting milk or a milk alternative is where your personal taste really comes into play. I prefer a lighter drink, so I go for a 1:1 ratio of coffee to milk. For a creamier texture, oat milk is a brilliant choice, adding a subtle sweetness and richness without overpowering the coffee.

Finally, always taste before you serve. Adjusting the coffee to milk ratio or adding a bit more sweetener can make a big difference in hitting that perfect flavour profile. Experimentation is key, and with these steps, you're well on your way to mastering your ideal French press iced coffee.


Mastering the art of French press iced coffee might seem daunting at first but it's all about embracing the process. I've shared my journey and the pivotal steps that transformed my brewing experience. Remember it's not just about the coffee but the nuances - the grind size the brewing time and even the way you sweeten it. It's these little tweaks that make a world of difference. Don't shy away from experimenting with milk ratios or trying different types of milk. Each adjustment brings you closer to your ideal cup. Trust me once you've nailed down your preferences there's no going back. You'll have crafted not just a beverage but an experience tailored just for you. So go ahead give it a try and watch as your French press iced coffee becomes the highlight of your day.

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