Onion honey cough syrup is a simple, two-ingredient remedy used to ease coughs, sore throats, and cold symptoms. In many Dominican households, it’s known as jarabe and passed down through generations.

I first learned to make it from family and other fellow Dominicans in the diaspora. It’s the kind of care you offer someone with a quiet “tómate esto” when they’re not feeling well.

Onions are rich in quercetin, a natural expectorant that helps clear mucus and ease congestion. Paired with raw honey’s soothing, antimicrobial properties, this syrup supports your immune system when you’re feeling run down

Today, we'll delve more into an uncomplicated yet effective homemade onion honey cough syrup recipe that assuages sore throats and combats other respiratory issues.

Jump to:

• Why Onion and Honey Work
• Why You Don't Need Garlic
• The Syrup
• How I Use It — and What to Know for Kids
• Make It Your Own: Variations and Add-Ins
• How to Store Onion Honey Syrup (and Know When to Toss It)
• Takeaway
• 💬 Comments

Why Onion and Honey Work

Onions don’t just bring the tears—they also bring real support when you’re under the weather. Along with the compounds already at work in this syrup, onions contain sulfur-rich compounds that have natural antibacterial properties, plus a good dose of Vitamin C to help your immune system do its job.

Raw honey adds its own set of benefits: it coats the throat, fights bacteria, and brings soothing enzymes and antioxidants to the mix. It also helps draw out the beneficial properties of the onions as they steep together.

Just make sure you’re using raw, unfiltered honey—the cloudy stuff with all the good bits still in it.

Why You Don't Need Garlic

Garlic is often the star of DIY cold remedies thanks to allicin, a powerful compound known for its antimicrobial punch. But you don’t need it for this syrup to be effective.

The combination of onion and raw honey offers plenty of soothing, immune-supporting benefits on its own—especially if you’re looking for something simple and gentle.

That said, if you’re curious about a more potent remedy or want something you can prep ahead for cold season, check out my fermented garlic honey. It’s a different kind of jar, but just as powerful in its own way.

The Syrup

This onion honey cough syrup is easy to make and uses just two ingredients. You’ll need:

• 1 large onion (or 2–3 medium red onions)
• Raw, unprocessed honey
• A clean jar with a lid

Instructions:

Recipe

1. Peel and chop the onion into small pieces.
2. Place them in a clean jar and pour in enough honey to cover the onion.
3. Seal the jar and let it sit at room temperature for 8–12 hours.
4. Strain off the syrup and store it in a clean jar in the fridge. Discard the onion solids.
5. Take 1–2 teaspoons as needed for adults. For children under 1, consult a healthcare provider.

How I Use It — and What to Know for Kids

When I feel something coming on—a tickle in my throat, a little fatigue—I take 1 to 2 teaspoons of this syrup as needed throughout the day. Sometimes I’ll stir it into warm (not hot) tea or just take it straight off the spoon.

If I’m using it preventively, I might take a teaspoon in the morning for a few days when everyone around me seems to be getting sick.

Important note for little ones:

Raw honey isn’t recommended for children under two years of age, due to the risk of infant botulism. If you’re considering giving this to a child, always check with a healthcare provider first.

Make It Your Own: Variations and Add-Ins

One of the reasons I keep coming back to this syrup is how easy it is to customize. The onion and honey base is solid on its own, but if I want to boost it a little, here are a few things I might add:

Ingredient	What It Adds
Ginger slices	Warming and helps break up chest "ick"
Turmeric	Anti-inflammatory and grounding; adds earthy depth
Oregano	Great for respiratory support; antimicrobial
Thyme	Classic cough support herb; works well with honey
Lemon peel or juice	Brightness, vitamin C, and added immune support
Apple cider vinegar	Adds a tangy note and can slightly extend shelf life
Glycerin	Optional for longer shelf life (especially if skipping refrigeration)

How to Store Onion Honey Syrup (and Know When to Toss It)

Once your syrup is strained and jarred, keep it in the fridge to extend its shelf life. It usually keeps well for about 4 to 6 weeks, especially if:

• You use a clean spoon every time
• The jar stays tightly sealed
• You avoid double-dipping or introducing moisture

Even natural remedies have limits. If your syrup starts to look cloudy, develop mold, or smell off, it’s time to let it go and make a fresh batch.

I usually make small jars during the winter so nothing goes to waste—and because I like to have more than one remedy on hand, depending on what my body needs.

Takeaway

Simple remedies often go unnoticed. With this homemade onion honey cough syrup, you'd have a homemade remedy that's easy to prepare and powerfully effective. This is a great go-to potion at the first signs of not feeling your best.

In conclusion, the syrup's simplicity makes it an efficient herbal remedy: easy to prepare without a fuss, making it a perfectly sweet companion to your winter wellness pantry and changing weather.

Note: Always consult with a healthcare professional before using any homemade remedies, especially for children under one year of age and for individuals with pre-existing health conditions. Let's stay safe and healthy, naturally!

Sources

1. NaturalMedicines Database
2. Aurelabullari: www.aurelabullari.com
3. Alchemy&Herbology: www.alchemyandherbology.com
4. Gladstar, Rosemary. Herbal Recipes for Vibrant Health.
5. Aurora, Raveena. "Sweet Time," Moonstone - EP, 2020.