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Lemon Simple Syrup is the bright, sweet, citrusy syrup that turns plain lemonade, cocktails, and iced tea into something special, and I started making it from scratch one summer when Maddie and I were obsessed with homemade lemonade. If you love an easy homemade staple like our copycat frosted lemonade, this three ingredient lemon syrup belongs in your fridge all season long.
It takes just water, sugar, and fresh lemon juice, and it comes together in about 15 minutes on the stovetop with almost no effort.
Lemon Simple Syrup Quick Look
- 🕒 Prep Time: 5 minutes
- 🌡️ Cook Time: 10 minutes
- ⏳ Total Time: 15 minutes
- 🍽️ Serving: 1.5 cups
- ⚡ Calories: 518kcal
- 🌶️ Flavor Profile: Sweet and bright with fresh lemon
- ✋ Difficulty: Easy, on par with our homemade hot fudge sauce
Quick Answer
Make Lemon Simple Syrup by bringing equal parts water and sugar to a boil in a small saucepan, stirring constantly until the sugar dissolves. Take it off the heat, stir in fresh lemon juice, and let it cool completely before using. Store it in a sealed jar in the fridge for up to a month, and stir a tablespoon or two into any drink that needs a little sweet and bright lift.
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Why This Recipe Works
Click to see the technique science
- Equal parts keep it foolproof. One cup of water to one cup of sugar makes a classic simple syrup that dissolves easily and stores well.
- Fresh lemon juice brightens it. Adding the lemon juice off the heat keeps the citrus flavor fresh and vibrant instead of cooked and flat.
- It dissolves completely. Heating the sugar with water means no grainy crystals, just smooth, pourable syrup every time.
- It is endlessly useful. One batch sweetens lemonade, cocktails, iced tea, and even drizzles beautifully over cake and fruit, so a single jar goes a long way all summer.
- It keeps for weeks. Stored in a sealed jar in the fridge, this syrup stays good for up to a month, which makes it perfect to prep ahead for parties and warm weather sipping.
Why You’ll Love This Recipe
- This Lemon Simple Syrup is bright, sweet, and made with just three simple ingredients.
- It comes together in about 15 minutes and keeps for weeks in the fridge.
- It is the secret to better lemonade, cocktails, and iced tea, just like our copycat frosted lemonade.
Key Ingredients
Here is what makes this Lemon Simple Syrup work, and why each piece matters.
- Water: the base of the syrup, use equal parts water and sugar for a classic ratio.
- Granulated sugar: it dissolves into the water to create that smooth, sweet syrup.
- Fresh lemon juice: freshly squeezed lemon, especially Meyer lemon, gives the brightest flavor, so do not use bottled.
- Lemon zest (optional): a little zest adds extra citrus punch if you want a bolder syrup.
- A clean jar: store the cooled syrup in a sealed jar, the same way we store our homemade hot fudge sauce.
See recipe card for exact quantities.
Variations and Substitutions
This Lemon Simple Syrup is easy to customize.
- Use Meyer lemons for a sweeter, more floral syrup, or regular lemons for a sharper, more classic tang.
- Add a few sprigs of fresh herbs like basil, mint, or thyme while it cools for an herbal twist.
- Swap in lime or orange juice to make a different citrus syrup for your favorite drinks.
- Steep a strip of lemon peel or a vanilla bean in the warm syrup for deeper flavor, like the vanilla in our hot fudge sauce.
How to Make Lemon Simple Syrup
- Combine the water and sugar in a small saucepan over medium heat.
- Bring the mixture to a boil, stirring constantly until the sugar fully dissolves.
- Take the pan off the heat as soon as it reaches a simmer and the sugar is dissolved.
- Stir in the fresh lemon juice until combined.
- Let the syrup cool completely, then pour it into a sealed jar and refrigerate.
Recipe Tips & Tricks
- Use fresh lemon juice. Freshly squeezed juice gives the brightest flavor, while bottled juice tastes flat.
- Stir until clear. Keep stirring until the syrup looks completely clear with no sugar grains left.
- Add lemon off the heat. Stirring the juice in after boiling keeps the citrus flavor fresh and bright.
- Cool before storing. Let the syrup reach room temperature to avoid condensation in your jar.
- Label your jar. Note the date, since homemade syrups all look alike in the fridge.
- Make a bigger batch. The recipe doubles or triples easily if you want extra on hand for the season, since it keeps so well in the fridge.
Serving Ideas and Suggestions
This Lemon Simple Syrup is the easiest way to sweeten and brighten drinks. Stir a tablespoon or two into lemonade, iced tea, sparkling water, or your favorite cocktails, and adjust to taste since the syrup blends in instantly even in cold drinks.
It is a must for summer sipping, especially in a glass of our copycat frosted lemonade or alongside a mango cocktail. It is also lovely shaken into an iced tea or a glass of prosecco for a brunch spritzer.
Beyond drinks, drizzle it over pancakes, pound cake, or fresh berries, or brush it onto cake layers for extra moisture. For another bright lemon treat, try our meltaway lemon cookies.
It also makes a sweet little homemade gift. Pour the cooled syrup into a pretty bottle, tie on a tag with serving ideas, and share it with friends and neighbors who love a good cocktail or a tall glass of lemonade.
Lemon Simple Syrup FAQs
Store Lemon Simple Syrup in a sealed jar in the fridge for up to one month. If it ever looks cloudy in a strange way or smells off, it is time to make a fresh batch. The high sugar content helps it keep well, but always use a clean spoon to avoid introducing bacteria.
Yes, Meyer lemons make a sweeter, more floral Lemon Simple Syrup, which is what we use here. Regular lemons give a sharper, tangier flavor, so use whichever you prefer for your drinks and desserts.
A little cloudiness from the lemon juice and pulp is completely normal and does not affect the flavor. For a clearer Lemon Simple Syrup, strain the juice through a fine mesh sieve before stirring it into the syrup.
You can stir sugar into warm water until dissolved for a quick no cook version, but gently heating it on the stove dissolves the sugar fully for a smoother, longer lasting syrup that does not recrystallize.
Use Lemon Simple Syrup to sweeten lemonade, iced tea, cocktails, and sparkling water, or drizzle it over cake, pancakes, and fresh fruit for a bright citrus note. It is one of the most versatile things you can keep in the fridge.
Yes, freeze Lemon Simple Syrup in an ice cube tray for easy single servings, then pop a frozen cube straight into your favorite drink whenever you need it. The cubes also chill and flavor a drink at the same time.
Looking for more summer sips? Try our copycat frosted lemonade next.
Lemon Simple Syrup
Ingredients
- 1 cup water
- 1 cup granulated sugar
- 2 tablespoons + 1 teaspoon lemon juice fresh squeezed, about 2 lemons
Instructions
- Place water and sugar into a small sauce pot over medium heat.1 cup water, 1 cup granulated sugar
- Bring to a boil, stirring constantly until it comes to a simmer and the sugar dissolves. Take off the heat.
- Add in the lemon juice and stir to combine. Cool completely, use as desired.2 tablespoons + 1 teaspoon lemon juice
Notes
- Use Fresh Lemons: Fresh lemon juice gives the best flavor. Plus, you can use the lemon zest for extra zing.
- Avoid the White Pith: When zesting, be careful not to include the bitter white part of the lemon peel.
- Keep It Cool: Use medium heat to prevent the sugar from caramelizing, which can change the flavor.
- Stir Until Sugar Dissolves: Use a wooden spoon and stir until the sugar fully dissolves to get that perfect sweet syrup.
- Let It Cool: Allow the syrup to reach room temperature before storing to avoid condensation in your glass jars.
- Label Your Jar: Don’t forget to label your sealed jar with the date. Trust me; it’s easy to lose track when you have multiple homemade simple syrups in the fridge!
Nutrition
Love This Recipe?
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Do you ever have a problem with the sugar crystallizing in the fridge? My syrup almost always crystallizes if I don’t use it up right away.
Thanks for sharing on Weekend bites!
This sounds awesome! I’m so ready for spring and lemon tends to be what I gravitate towards while I not-so-patiently wait for it to arrive. 😛 Putting this in a strawberry Margarita is a GREAT idea! Definitely need to try it. Pinned for later and sharing on FB tomorrow, as well!
Found you on Snickerdoodle Sunday, thanks for sharing!
Thanks for sharing the recipe: this syrup seems perfect to have at hand in hot days, to add a boost to cool drinks or even to water!