Freezer Herb Cubes: The Simple Mindful Meal Prep Hack I Use Every Week
Some of the most useful things in my freezer aren't full meals.
They're the small ingredients that quietly make everyday cooking easier.
Whenever I have leftover herbs, I rarely let them wilt in the fridge. Instead, I turn them into flavour cubes that can be dropped straight into soups, pasta sauces, curries, stews or roasted vegetables.
They're quick to make, reduce food waste, and save me from buying the same bunch of herbs week after week.
These cubes are one of the small systems that form part of my Mindful Meal Prep System, which will be launching soon. Rather than preparing every meal in advance, the idea is to prepare the foundations that make cooking feel calmer and more effortless throughout the week.
How to Freeze Fresh Herbs
Rosemary Cubes
Finely chop the rosemary and pack it firmly into an ice cube tray.
Top each cube with olive oil and freeze.
Sage Cubes
Finely chop the sage and pack it into an ice cube tray.
Top with olive oil and freeze.
Rosemary and sage freeze particularly well because they're woody herbs and hold their flavour beautifully.
Other woody herbs like Thyme also freezes beautifully.
Basil Oil Cubes
Basil is a little different.
Rather than chopping it, blend the basil with just enough olive oil to help it come together.
Pour into an ice cube tray and freeze.
Blending the basil helps preserve its vibrant green colour and creates a little basil oil that's perfect for pasta, soups and sauces.
Garlic, Ginger and Onion Freezer Cubes
These are some of the most useful cubes I keep in my freezer.
Finely chop or briefly pulse together:
Onion
Garlic
Ginger
Olive oil
Freeze into cubes and use them as the starting point for:
Curries
Soups
Stir fries
Pasta sauces
It's a simple habit that saves time and means you're never starting completely from scratch.
Stock & Wine Cubes
Two more freezer staples I always recommend.
Broth Cubes
Freeze leftover vegetable or chicken stock in ice cube trays.
Perfect for adding a little extra flavour to soups, sauces and grains.
Wine Cubes
If you have leftover white wine, freeze it into cubes instead of pouring it away.
They're brilliant for:
Risotto
Pasta sauces
Soups
Pan sauces
Freezer Tips
Use silicone ice cube trays so the cubes pop out easily once frozen.
Once frozen solid, transfer them to a labelled freezer bag or airtight container.
This keeps your trays free and makes it easy to grab exactly what you need.
A Reflection
One of the biggest lessons meal prep has taught me is that ease is often created long before we need it.
A few herbs rescued before they're forgotten.
A little leftover stock frozen instead of wasted.
Half a bottle of wine saved for another meal.
None of these things feels particularly significant on their own.
But together, they create a kitchen that feels calmer, more resourceful and ready for everyday life.
And that's what the Mindful Meal Prep System is really about.
Not preparing everything.
Just preparing enough that your future self is gently looked after.
Looking for more freezer inspiration?
If you'd like to build a freezer that genuinely supports you during busy weeks, I've created a free Mindful Freezer Starter List. It's a simple one-page guide to the seven things I always recommend keeping in your freezer, so that when life gets busy, you're never starting from zero.
It's also a small introduction to my Mindful Meal Prep System, a collection of practical recipes, freezer staples and flexible kitchen systems designed to help you feel calmer, more nourished and more organised. Coming July 2026.