Cannabis Tom Collins
Cannabis Tom Collins. Approximately ~10mg THC per cocktail at full strength. 15 min total, 1 cocktail yield.
The Tom Collins is Australia’s favourite gin-based long drink, perfect for hot summer afternoons and sophisticated soirées. This cannabis-infused version transforms the classic recipe with a THC-infused simple syrup that dissolves beautifully into the cocktail, creating a refreshing drink with precise dosing control.
This recipe uses cannabis-infused simple syrup to deliver approximately 10mg THC per cocktail when made with standard cannabutter potency. The syrup method ensures even distribution and eliminates any cannabis taste, or calculate your exact dose with our free Edibles Dosage Calculator.
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Ingredients
Cannabis Tom Collins
🌿 Cannabis Simple Syrup
- 2g cannabutter (provides ~11mg THC)
- 50ml water
- 50g caster sugar
🍸 Tom Collins Base
- 60ml premium gin
- 30ml fresh lemon juice (about 1 lemon)
- 20ml cannabis simple syrup
- 120ml soda water, chilled
🍋 Garnish
- 1 lemon wheel
- 1 maraschino cherry
- Ice cubes for serving
Equipment You’ll Need
Digital Kitchen Scale (0.01g)
Precision scale for accurate cannabis and ingredient measurements — essential for consistent dosing.
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Organic Cheesecloth (1.5m × 1.0m)
Certified organic, unbleached cheesecloth for straining cannabutter and infused oils cleanly.
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ONGROK UV Glass Storage Jars (2-pack, Child-Resistant)
UV-blocking airtight glass jars with child-resistant lids — keeps edibles fresh and safe from little hands.
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Method
Prepare your cannabis simple syrup by gently heating water and sugar in a small saucepan until sugar dissolves completely (about 2-3 minutes on medium heat).
Infuse the syrup by whisking in the cannabutter until completely melted and incorporated. Strain through Organic Cheesecloth (1.5m × 1.0m) to remove any particles, then cool to room temperature.
Juice your lemon fresh and strain out any pulp. Fresh citrus makes all the difference in cocktail quality.
Build your cocktail in a Collins glass filled with ice. Add gin, lemon juice, and cannabis simple syrup first.
Top with chilled soda water and stir gently to combine. The key is not to over-dilute the drink.
Garnish with a lemon wheel and maraschino cherry on a cocktail pick. Serve immediately while properly chilled.
Expert Tips
Half-Strength Option
Use only 10ml cannabis syrup and top up with 10ml regular simple syrup for a milder 5mg dose.
Batch Preparation
Make cannabis simple syrup in larger quantities — it keeps for 2 weeks refrigerated and saves time.
Ice Quality Matters
Use large, clear ice cubes to minimise dilution and maintain the cocktail’s integrity longer.
Gin Selection
Choose a London Dry gin for the classic profile, or experiment with botanical gins for unique flavour combinations.
Safe Storage
Always label your cannabis syrup clearly with dosage per ml to prevent accidental overconsumption.
Temperature Control
Serve immediately after mixing — cannabis cocktails are best enjoyed at proper temperature.
Storage Guide
| Method | Duration | Notes |
|---|---|---|
| Cannabis syrup (refrigerated) | 14 days | Airtight container, label with dosage |
| Pre-made cocktail | Not recommended | Best consumed immediately |
| Garnish prep | 1 day | Cut citrus covered in fridge |
Important Safety Information
- Calculate your dose before cooking — use our free Edibles Dosage Calculator.
- Start low, go slow. If this is your first time with edibles, drink half a cocktail (~5mg) and wait at least 90 minutes before having more.
- Onset time: 30-120 minutes. Do not drink additional cocktails within this window.
- Duration: Effects can last 4-8 hours.
- Do not drive or operate machinery after consuming cannabis cocktails.
- Store securely — label all containers with contents, date, and dosage. Keep away from children, pets, and unsuspecting housemates.
- Legal context: Cannabis remains illegal for recreational use in most Australian states. Medicinal cannabis is available through TGA-approved prescriptions. Know your state’s laws.
- Emergency: Australian Poisons Information Centre — 13 11 26 (24 hours)
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Frequently Asked Questions
Yes, you can substitute cannabis coconut oil for cannabutter in the syrup recipe. Use the same amount (2g) but ensure it’s fully emulsified by whisking vigorously while the syrup is warm.
Cannabis cocktails typically take 30-120 minutes to take effect, similar to edibles. The liquid format may absorb slightly faster than solid foods, but always wait at least 90 minutes before consuming more.
If you’re using cannabutter made properly, the cannabis is already decarboxylated. If making syrup directly from flower, yes — decarboxylate at 115°C for 30-40 minutes before infusion.
Store cannabis syrup in an airtight container in the refrigerator for up to 2 weeks. Always label clearly with contents, date made, and dosage per ml for safety.
Stay calm and hydrated. Find a comfortable, safe place and wait it out — effects will peak and then gradually decrease. Contact the Poisons Information Centre (13 11 26) if you’re concerned.
Absolutely! Replace the gin with additional soda water or tonic water for a cannabis-infused virgin Tom Collins. The cannabis syrup works perfectly in mocktails.
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