How to Make Homemade Bitters for Cocktails
🔑 Key Takeaways
- Two ingredients do the heavy lifting: a bittering root such as dried gentian root, and an aromatic such as dried orange peel.
- Use a high-strength neutral spirit. Anything at 40% ABV or above pulls flavour out of the botanicals faster and keeps the finished bottle stable.
- Two to four weeks is the working window, and steeping the bittering agents separately from the citrus gives you far more control over the finished taste.
- You cannot distil spirit at home without a licence, but infusing a bottle you have already bought is a different process entirely.
📚 Suggested reading: what cocktail bitters actually are · choosing a cocktail strainer
Making your own bitters comes down to one idea: you steep bitter roots and aromatics in a strong spirit until the flavour moves across, then strain and bottle it. A 250ml batch uses roughly the same money as one shop-bought bottle, and what you get is a flavour nobody sells, whether that is a clean orange bitters or a spiced cocoa one.
This guide covers what goes into the jar, the ratio we start from, how long to leave it, and how to bottle it so it keeps. It also covers the UK rule that catches people out, and the bottles to buy if you would rather skip the steeping.
What Actually Goes Into Bitters
Bitters is not one ingredient, it is three jobs being done at once. A bittering agent supplies the backbone, aromatics supply the smell, and a base spirit carries both. Get all three right and the results taste like the bottles you pay ยฃ12 for.
The bittering agent is the one people forget. This is what separates bitters from a flavoured vodka. Gentian root is the classic choice, and it is genuinely potent: the amarogentin in gentian is one of the bitterest natural compounds found anywhere, according to research published in the journal Molecules. Cinchona bark, angelica root and wormwood all do the same job, but gentian is the easiest to buy in the UK and the most predictable to work with. A 100g bag of Old India gentian root costs around ยฃ7 and lasts for several batches.
The aromatics are where you get creative. Dried orange peel is the workhorse of orange bitters, and 250g of dried orange peel pieces goes a long way. From there, think of a spice rack: cassia cinnamon, cloves, allspice, star anise, cardamom, plus cocoa nibs or vanilla if you want a chocolate note. Use whole spices where you can, because ground spice clouds the infusion and is far harder to strain out.
The base spirit should be strong and boring. You want something at 40% ABV or higher with no flavour of its own. An overproof vodka or a high-strength neutral grain spirit works best because alcohol is a better solvent than water for the oils and resins in the botanicals. Skip gin, rum or anything already flavoured, since those flavours compete with what you are trying to build.
The Starting Ratio
The method that gives the most control is steeping your bittering agents and your aromatics in separate jars, then blending the two tinctures at the end. That way you can taste each one on its own and dial the bitterness up or down, rather than discovering after a month that the gentian has taken over the whole batch.
Our starting point for a 250ml batch of orange bitters:
- Bittering jar: 125ml spirit plus 8g gentian root
- Aromatic jar: 125ml spirit plus 10g dried orange peel, 4g cassia cinnamon, 2g cloves, 2g allspice and one star anise
Blend one part bittering tincture with two to three parts aromatic tincture, taste it in a glass of soda water, and adjust from there. If you want the full breakdown of how bitters are dosed once they are made, we go through it in our guide to what cocktail bitters are.
Step by Step
1. Weigh everything. A cheap kitchen scale is more useful here than any bar gadget, because ratios are what make a batch repeatable.
2. Fill two jars. A 1 litre Kilner clip top jar at around ยฃ4 is ideal, and you can run both infusions in one jar if you mark the levels and work in two rounds.
3. Pour the spirit over the botanicals and seal the jar. Keep it somewhere dark and out of the way, like a cupboard rather than a windowsill, and give it a shake once a day for the first week.
4. Steep and taste. Pull the aromatic jar at two weeks and the bittering jar at four weeks. Weekly tasting with a dropper is the only reliable way to catch the moment a spice turns harsh.
5. Strain twice. Pour through a fine mesh cocktail strainer first to catch the solids, then through a paper coffee filter to take out the fine particles that would otherwise settle in the bottle.
6. Blend, rest and bottle. Combine the tinctures to taste, then leave the mix for a week so the flavours settle into each other. Bottle in amber glass with a dropper.
How Long to Infuse, and How to Tell It Is Done
Aromatics such as citrus peel and whole spice are usually ready in two weeks. Roots and barks are denser and need closer to four weeks. Warm rooms speed the process up and cold rooms slow it down, so trust your own tasting over a calendar.
The tell for over-steeping is a sharp, medicinal edge that sits at the back of your throat and does not fade. Cloves and cinnamon hit that point first, and there is no way to walk it back once it is in the jar, which is the main argument for the two-jar method. Under-steeped bitters taste thin and watery rather than bitter, and they are easy to fix: just give them another week.
Bottling and Storing
Bitters are used by the dash, not poured by the measure, so the bottle matters more than it does for anything else on your bar shelf. An amber glass dropper bottle gives you a controlled dash and keeps light away from the liquid. This set of eight amber dropper bottles with a funnel and labels covers bottling a batch and gifting the rest.
Wash any bottle in hot soapy water and let it dry completely before filling. Because the spirit is strong, a sealed bottle kept in a dark cupboard will hold its character for years rather than months. Label the batch with the date and the recipe you used, since two batches of orange bitters made a month apart will not taste identical and you will want to know which one you preferred.
The UK Rule You Should Know
There is one legal line worth understanding before you start. Distilling spirit at home is not allowed. Under the Alcoholic Liquor Duties Act 1979, manufacturing spirits without an excise licence carries a penalty, and that covers running a still. If you have ever watched a video about home distillation, that is the part which makes it a bad idea in the UK.
What you are doing here is maceration, which means infusing botanicals into a spirit you have already bought and paid duty on. That is not distillation and it is not making spirits. Your bitters will sit somewhere between 30% and 45% ABV depending on the spirit you use and how much you blend, so treat them as alcohol: a 25ml measure of 40% spirit is one UK unit, as set out in the NHS guidance on alcohol units. Used by the dash, the amount in a drink is tiny, but if you plan to sell anything you make, check HMRC's guidance on producing alcoholic products first.
If You Would Rather Buy Than Make
There is no shame in buying, and a couple of bottles alongside your own gives you a reference point to aim at. If you only own one bottle, make it Angostura Aromatic Bitters at around ยฃ11.25 for 200ml. The same recipe has been made since 1824 according to the manufacturer, and it is the benchmark that most classic recipes assume.
For a softer, fruit-forward style, Fee Brothers West Indian Orange Bitters around ยฃ13.50 uses a glycerin base rather than a spirit base, which makes it gentler and easier to pour generously. For an Old Fashioned with a cocoa edge, Angostura Cocoa Bitters at around ยฃ8.57 for 100ml does a job that is genuinely difficult to replicate at home, because cocoa bitters need a long steep to avoid tasting chalky.
One honest comparison: bought bitters are more consistent than yours will be, and they cost less than the first batch of homemade once you have bought the botanicals, the jar and the bottles. Homemade wins from the second batch onwards, when the dried ingredients are already in the cupboard, and it wins outright if you want a flavour that nobody sells.
Using Your Bitters
Start with two or three dashes in an Old Fashioned, then try the same bitters in a gin and tonic or a whisky highball to see how they read against a mixer. Homemade orange bitters are excellent in a simple three-ingredient cocktail, and they are the cheapest way to make a basic serve taste considered rather than thrown together. If your bar shelf is still bare, our home bar essentials guide covers what is actually worth owning, and our guide to whisky glass types covers the glassware that makes the most of a spirit-forward drink.
Frequently Asked Questions
How long does it take to make homemade bitters?
Budget two weeks for aromatics such as citrus peel and whole spice, and four weeks for bittering roots such as gentian. Add a week of resting after you blend the tinctures, so a full batch is about five weeks from start to bottle.
What alcohol should I use for homemade bitters?
Use a neutral spirit at 40% ABV or higher, ideally an overproof vodka or a high-strength grain spirit. Higher strength extracts the oils and resins from the botanicals more efficiently, and strong bitters keep better once bottled. Avoid gin, rum or flavoured spirits, since their own flavours fight with the botanicals.
Do you need gentian root to make bitters?
No, but you need something bitter. Gentian is the easiest bittering agent to buy in the UK and the most reliable, while cinchona bark, angelica root and wormwood all work too. A bitters recipe without any bittering agent is really a flavoured tincture, and it will not do the same job in a cocktail.
How long do homemade bitters last?
Years, not months, provided the bottle is sealed and kept out of direct light. The alcohol content preserves the infusion, which is why amber glass matters more than refrigeration. If the flavour fades, the bottle has been sitting open too often rather than going off.
Can you make bitters without alcohol?
You can, using vegetable glycerin or cider vinegar instead of spirit, which is a common route for alcohol-free bars. Both extract differently from alcohol and neither preserves a batch for as long, so expect a milder flavour and a shorter shelf life than a spirit-based batch.
Are homemade bitters cheaper than shop-bought?
The first batch is not, because the botanicals, jars and bottles cost more than a single bottle from the shop. From the second batch onwards the dried ingredients are already in your cupboard, and a 100g bag of gentian root will cover several litres of finished bitters.
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Last reviewed: 14 September 2026 ยท Evidence-based content ยท Contains affiliate links