Barq's Root Beer

Barq's Root Beer
⏱️ cook time 20 minutes (plus 2 hour chill time)
🍽️ servings 6
⚡ Difficulty easy

intro

Bold, crisp Barq's-style root beer with signature spicy bite and bright fizz, a nostalgic, lightly caffeinated cold drink ideal for warm-weather sipping.

Ingredients

Safrole-free Barq's-style root beer concentrate 30 ml (2 tbsp)
Ice-cold club soda 1400 ml (5.9 cups)
Granulated white sugar 400 g (2 cups)
Filtered still water (for syrup) 400 ml (1.7 cups)
Pure vanilla extract 5 ml (1 tsp)
Wintergreen extract 1.25 ml (1/4 tsp)
Food-grade anhydrous citric acid 2 g (1/2 tsp)
Food-grade caffeine powder 120 mg (1/32 tsp)
Crushed ice (for serving) 900 g (6 cups)

Steps

1

Make simple syrup base

Pour 400 ml (1.7 cups) of filtered still water into a small 1-liter saucepan, add 400 grams of granulated white sugar, heat over medium-low heat (burner set to 130°C/265°F) for 5 minutes, stirring constantly with a wooden spoon until sugar fully dissolves with no grainy residue left on the pan bottom. Do not bring the syrup to a rolling boil to avoid caramelizing the sugar.

Step 1
step1:Make simple syrup base
2

Blend in flavorings

Remove the simple syrup from heat, let it cool for 10 minutes until it reaches 70°C/158°F, then stir in 30 ml Barq's-style root beer concentrate, 5 ml vanilla extract, 1.25 ml wintergreen extract, 2 grams citric acid, and 120 mg food-grade caffeine powder. Whisk for 30 seconds until all powders are fully dissolved with no clumps remaining.

Step 2
step2:Blend in flavorings
3

Chill syrup thoroughly

Pour the warm flavored syrup into a sealed 1-liter glass mason jar, place it on the middle shelf of your refrigerator for 2 hours until it reaches a consistent 4°C/39°F. Ensure the syrup is completely cold before mixing to prevent fizz loss.

Step 3
step3:Chill syrup thoroughly
4

Combine with carbonation

Pour the fully chilled syrup into a large 2.5-liter glass pitcher, slowly pour 1400 ml of ice-cold club soda down the inner side of the pitcher (rather than pouring directly into the center) to minimize fizz bubble disruption. Stir very gently with a long bar spoon for 10 seconds to combine; do not stir vigorously, as this will flatten the carbonation.

Step 4
step4:Combine with carbonation
5

Taste and adjust

Draw a 30 ml sample of the mixed root beer into a small tasting glass to test flavor. If the drink is too sweet, stir in up to 100 ml extra cold club soda in 25 ml increments; if it lacks Barq's signature sharp bite, add up to 1 extra gram of citric acid in 0.5 g increments, stirring gently after each addition.

Step 5
step5:Taste and adjust
6

Serve over crushed ice

Place 150 grams (1 cup) of crushed ice into each of 6 tall 350 ml (12-oz) highball glasses, pour the prepared root beer over the ice, leaving 1 cm (1/2 inch) of headspace at the top of each glass to prevent fizz overflow. Add a paper straw and serve immediately.

Step 6
step6:Serve over crushed ice

Tips

1.Never pour club soda into warm syrup, as heat will instantly dissipate carbonation and leave your root beer flat and lifeless.
2.Omit the caffeine powder when serving to children or people with caffeine sensitivity; the spice and flavor profile will still match classic Barq's.
3.For an authentic soda fountain experience, chill serving glasses in the freezer for 30 minutes before pouring to slow ice melt and keep root beer crisp longer.

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Barq's Root Beer:Frequently Asked Questions

1.Why do I need to use safrole-free Barq’s-style root beer concentrate instead of regular root beer concentrate?
Regular root beer concentrate is formulated for milder, creamier old-fashioned root beer, missing the sharp spicy bite and subtle caffeine kick that defines Barq’s. The safrole-free formulation is also FDA-compliant, since pure safrole is a prohibited food additive, so it delivers that authentic nostalgic flavor without any safety risks.
2.Can I use a sugar substitute instead of granulated white sugar to cut calories?
You absolutely can, but granulated white sugar delivers the clean, crisp sweetness that matches classic Barq’s with no distracting aftertaste. If you opt for a zero-calorie baking blend (like an erythritol-stevia mix), start with 2/3 the sweetness equivalent of the sugar in the recipe, stir fully into cooled syrup, and taste to adjust, as many sugar substitutes carry a faint cooling note that can mute the spicy root beer bite.
3.Why is ice-cold club soda required instead of room-temperature sparkling water?
Ice-cold club soda holds carbonation far better than room-temperature sparkling water, delivering that signature bright, snappy fizz that defines Barq’s instead of a flat, quickly fizzed-out drink. Room-temperature sparkling water foams aggressively when poured over syrup, losing most of its bubbles before your first sip, so chill it for a full 4 hours in the fridge before mixing for ideal results.
4.How long will the prepared root beer syrup stay fresh in the refrigerator?
Stored in a tightly sealed, sanitized glass jar in the coldest part of your fridge (usually the back of the lower shelf), the root beer syrup base will stay fresh for 3 to 4 weeks. Give the jar a quick gentle shake before each use, since the vanilla and concentrate can settle slightly over time. Never leave the syrup at room temperature for more than 2 hours, as its high sugar content can support mold growth if unrefrigerated.
5.My root beer turns out flat even when I use cold club soda—what am I doing wrong?
The most common culprit is pouring club soda too vigorously from a height, which knocks out carbonation before it mixes with the syrup. Always pour club soda slowly down the inside of a tilted, chilled glass, then stir extremely gently with a long spoon—over-stirring releases fizz fast. Skip frosty straight-from-the-freezer ice too, as its rough crystal surface creates tiny spots that pop bubbles instantly.
6.Can I add extra vanilla extract to make this work as a root beer float base?
A small extra splash of vanilla (no more than 1/4 teaspoon per 8-ounce serving) works beautifully if you plan to top the drink with vanilla ice cream for a float, but don’t overdo it. Too much vanilla will overpower the sharp, spicy bite that defines Barq’s-style root beer, turning it into a mild, cream-soda-adjacent drink instead of the crisp, bold profile this recipe is formulated to deliver.
7.Should I mix a full batch of root beer ahead of time, or make individual servings?
Mix individual servings right before you plan to drink them for the fizziest, best-tasting results. If you mix a full large batch of syrup and club soda ahead of time and store it in a sealed bottle, it will lose most of its carbonation within 24 hours, even with a tight cap. Keeping syrup separate and mixing to order means every glass has that fresh, bright fizz, just like a newly opened store-bought can.
8.Why do I need filtered still water for the syrup instead of regular tap water?
Unfiltered tap water often carries faint chlorine, hard mineral, or metallic off-notes that come through clearly in the finished syrup, since root beer’s spiced flavor profile is too mild to mask those off tastes. Filtered water gives you a clean, neutral base that lets the spicy root beer concentrate and vanilla shine, so you don’t end up with faint chemical or musty aftertastes distracting from that classic Barq’s bite.
9.How can I amp up the signature spicy ‘bite’ if my concentrate tastes a little too mild?
If your concentrate is missing that signature sharp bite, add a tiny pinch of food-grade citric acid per serving (about 1/16 of a teaspoon, so you don’t make it taste sour) to amp up the bright, tangy edge that makes Barq’s stand out from sweeter, milder root beer brands. You can also stir in a tiny splash of cold, strongly brewed black tea per serving to bump up the subtle caffeine content to match store-bought Barq’s.

Comments (18)

2 days ago

OMG this tastes EXACTLY like the Barq's I grew up chugging at summer cookouts! I made a double batch for our neighborhood block party last weekend and every single person asked for the recipe. The little bite from the sassafras? Perfect, no weird artificial aftertaste at all. 10/10 will be making this all summer long.

yesterday

So glad it was a hit at your block party! Pro tip: if you want extra fizz, make sure your carbonated water is ice cold when you mix it in, it holds the bubbles way longer.

2 hours ago

Seconding the cold seltzer tip! I made the mistake of using room temp once and it went flat in 20 minutes, total bummer. Now I chill my syrup and seltzer for 3 hours minimum before mixing, chef’s kiss.

1 week ago

My kids loved it! I was tired of buying soda full of weird additives at the grocery store, and this was so easy to throw together after work. The 20 minute cook time is no joke, I had the syrup done before our pasta finished boiling for dinner. We served it over vanilla ice cream for root beer floats last night and the kids went back for seconds (and thirds, oops).

5 days ago

Root beer floats are our favorite way to serve this too! If you want an extra fun twist, add a tiny pinch of sea salt to the float next time, it makes the vanilla and root beer flavors pop so much.

3 days ago

SO good! I packed a chilled growler of this for our day hike to the alpine lake last weekend and it was the perfect post-hike pick-me-up. Way more refreshing than the sports drinks I usually bring, and the flavor was spot on to the original Barq's. Already texted the recipe to my whole hiking group.

5 days ago

Really solid copycat! The flavor is almost perfect, I think I added a touch too much wintergreen my first go around so it tasted a little like toothpaste for a second, but I dialed it back on the second batch and it was chef’s kiss. Super easy even for someone who burns toast half the time, no fancy equipment needed.

3 days ago

So glad you adjusted it to your taste! Wintergreen can be super potent, so starting with half the amount and adding more to taste is always a smart move for first-timers.

yesterday

Game changer! I brought this to our office potluck yesterday and people were literally coming over to my desk all afternoon asking where I bought the fancy craft root beer. No one believed I made it from scratch in 20 minutes. I added a little extra vanilla per my grandma’s old root beer recipe and it was *chef’s kiss*.

2 hours ago

Love the extra vanilla addition! That sounds absolutely delicious, I’m going to have to test that variation for the blog soon, thanks for the idea!

30 minutes ago

Wait I was at that potluck!!! That was the root beer you brought? I had three cups it was so good, I’ve been looking for the recipe ever since, so stoked I found it here.

2 weeks ago

It’s pretty good, but it’s not quite Barq’s for me. I think I missed that signature sharp bite Barq’s has? Maybe I didn’t add enough of the bitter root? Not sure, but it’s still a decent homemade soda, I’ll probably tweak it a few more times to get it right. It was easy enough to make, so that’s a plus.

1 week ago

Made this for our 4th of July cookout (yes I know I’m late leaving a review, been busy eating leftovers) and it was the star of the spread next to the ribs. We used it to make spiked root beer floats for the adults with a little spiced rum, and regular floats for the kids, everyone was raving. Way better than store bought, will be a staple from now on.

5 days ago

Spiked root beer floats with spiced rum sound incredible! That’s such a perfect adult treat for summer cookouts, I’ll have to add that variation note to the recipe for other folks to try.

30 minutes ago

Obsessed!!! I’m a college student on a super tight meal plan budget and this was so cheap to make, way cheaper than buying a 12 pack of Barq’s every week. I keep a jar of the syrup in my mini fridge and mix it with seltzer whenever I want a soda, it’s saved me so much money already. 10/10 no notes.

5 minutes ago

Wait how long does the syrup last in the fridge? I want to make this but my mini fridge is already stuffed with energy drinks and leftover pizza, need to know if it’s worth making space.

just now

Great question! The syrup stays good in an airtight container in the fridge for up to 2 weeks, so you can mix up a big batch and enjoy it all week long without it going bad.

2 hours ago

Tastes exactly like the root beer I used to get at the old soda fountain in my hometown as a kid! I have one of those at-home carbonation machines and this syrup works perfectly with it, no weird clogs or off flavors. I’ve already made three batches this month, I can’t get enough.

2 days ago

So happy this recipe is naturally gluten free! I’ve been craving root beer floats forever but a lot of store bought sodas have weird hidden gluten additives, so being able to make this at home with ingredients I can control is a total win. My only note is I wish the chill time was a little shorter, but it’s so worth the wait.

yesterday

So glad this works for your gluten free diet! If you’re short on time, you can chill the syrup in an ice bath for 30 minutes instead of waiting the full 2 hours, it works just as well if you need it faster.

5 days ago

Made this for my daughter’s soccer team snack after their game last Saturday and the kids went wild. Parents were asking me for the recipe left and right, even the coach asked for a copy. So easy to make, no fancy stuff, and it’s way better than the sugary sports drinks they usually get after games. Total home run.

1 week ago

Made this for my at-home date night with my boyfriend last night, we did root beer floats with homemade chocolate chip cookies on the side and he said it was better than any restaurant date we’ve been on lately. Who knew homemade root beer was that easy? I thought it would be some super complicated brewing project, nope, 20 minutes on the stove and done.

5 days ago

Wait that sounds like the perfect date night! I’m stealing this for my anniversary next week, did you add anything extra to make it fancy, or just follow the recipe as written?

3 days ago

Love the at-home date night idea! It really is way simpler than people think, no home brewing equipment required at all, which makes it perfect for quick, fun meals and treats at home.

2 weeks ago

Y’all, this is SO good. I grew up drinking Barq’s at my grandma’s house every Sunday after church, and this tastes exactly like what she used to pour in those little glass bottles for us. I made a batch for our Sunday family dinner last weekend and my mom swore I bought it from the old general store downtown. Absolute perfection.

1 week ago

That’s such a sweet memory, thank you for sharing! So glad this recipe brings back those warm family feelings for you, that’s exactly why we love sharing these copycat recipes.

just now

Total meal prep win! I make a big batch of the syrup every Sunday, portion it out into little mason jars, and grab one on my way to work with a can of cold seltzer. It’s the perfect afternoon pick me up, way less sugary than the soda from the office vending machine, and it saves me so much money during the work week. 10/10, added to my regular rotation.

3 days ago

As someone who collects vintage soda recipes and makes homemade sodas as a hobby, I was really impressed with this copycat! The flavor balance is spot on, the only thing I changed was adding a tiny bit of molasses to get that deeper, richer Barq’s color, but that’s just a personal preference. Super accessible for beginners, which is awesome, more people should try making soda at home.

2 days ago

The molasses addition is genius! I’ve tested that before and it does add such a nice depth of color and flavor, I’ll add that as an optional variation note in the recipe card for other hobby soda makers to try.

5 days ago

Made 3 gallons of this for our pool party last weekend and we didn’t have a single drop left! We had a little float station with vanilla ice cream, whipped cream, and cherries, and both kids and adults were lined up the whole party. It was 95 degrees out and the cold, fizzy root beer was exactly what everyone needed. Will be making this for every pool party from now on.

3 days ago

Wait how did you keep it fizzy for a whole party? I tried making homemade soda for a party once and it was totally flat by the time the first guest arrived, I need tips!

2 days ago

Great question! For big batches, I recommend mixing the syrup and cold carbonated water right before guests arrive, and keeping the dispenser in a tub of ice the whole time to keep it super cold (cold liquid holds fizz way better than warm). If you have a pressurized beverage dispenser, that works even better for keeping bubbles all party long!

2 weeks ago

So happy this recipe is easy to make vegan! I swapped the regular sugar for organic cane sugar and used dairy free vanilla ice cream for floats, and it was absolutely delicious. No weird animal products, no weird additives, just that classic Barq's root beer flavor I’ve been missing since going vegan. So good, I’ll be making this all the time.

1 week ago

Brought a cooler of this to the tailgate before the college football game last weekend and my friends were begging for the recipe by the first quarter. We mixed a little bourbon into some of it for the adults, and the kids had the regular stuff, it was the perfect tailgate drink. Way better than the cheap beer and soda everyone else brought, I was the most popular person in the parking lot.

5 days ago

Tailgates are the perfect spot for this! So glad it was a hit with your crew, and the bourbon mix-in sounds like the perfect game day treat for grown-ups. Go team!