Lebanese sugar syrup, also known as ater or Arabic simple syrup, is an essential ingredient in many traditional Lebanese and Middle Eastern desserts. This fragrant sugar syrup is drizzled over sweets such as knafeh and atayef or used to soak freshly fried pastries, baklava, and other beloved Arabic desserts, adding the perfect touch of sweetness.
For the best flavor, add the orange blossom water at the end of cooking to preserve its delicate floral aroma. This easy Arabic sugar syrup can be prepared ahead of time and stored in a clean, airtight container in the refrigerator.
What Is Lebanese Sugar Syrup (Ater)?
In Lebanese cuisine, Ater (عطر) is a traditional name for this sweet preparation, deeply rooted in the country’s rich culinary heritage. Across the Middle East, similar syrups are known by different names, including Sheera (شيرة) and Sharbat (شربات), depending on the region and local traditions.
What distinguishes traditional Ater is its consistency and aromatic character. Unlike the thinner simple syrups commonly used in Western cooking, Lebanese versions can be prepared with a higher concentration of sugar, creating a thicker consistency that complements traditional pastries beautifully. Orange blossom water and rose water are popular flavorings, each lending its own delicate floral notes to this beloved staple of Middle Eastern pastry making.

Frequently Asked Questions (FAQs)
Should I use orange blossom water or rose water for Ater?
While both floral waters are widely used across Middle Eastern baking, the choice comes down to regional tradition. Some bakers prefer rose water, and others like to use a combination of both. However, for authentic Lebanese desserts, I highly recommend using exclusively orange blossom water. This is exactly how traditional Lebanese sweet shops flavor their syrup, giving it that classic, bright, and uniquely refreshing floral note that perfectly balances rich pastries.
Should Ater be poured hot or cold over desserts?
It depends entirely on the specific dessert you are making! While many pastries follow the “opposites attract” rule, there are critical exceptions. For example, when making Namoura (semolina cake), you must drizzle the Ater while it is bubbling hot so the dense cake completely absorbs the syrup. On the other hand, for delicate treats like Halawet El Jiben, Knafeh, and Znoud El Sit, the Ater must be cold or at room temperature to preserve their signature texture and keep them from getting soggy.
Why do we add lemon juice to Ater (Arabic sugar syrup)?
Lemon juice is a critical ingredient in Ater because it acts as an anti-crystallization agent. The acid breaks down the sucrose into glucose and fructose, preventing the syrup from turning grainy or recrystallizing back into hard sugar as it cools or sits in the refrigerator.
What is the difference between Ater, Sheera, and Sharbat?
They are all regional names for Middle Eastern simple syrup! Ater is the term used in the Levantine region (Lebanon, Syria, Jordan, Palestine). Sheera is commonly used in the Gulf countries, while Sharbat is the preferred term in Egypt, North Africa, and parts of South Asia.
Why is my sugar syrup too thick or too thin?
Middle Eastern sugar syrup thickens as it cools, so don’t worry if it seems a little thin while still hot. If it remains too thin once cooled, return it to the heat and simmer for another 1–2 minutes. If it becomes too thick, stir in a little warm water, 1 tablespoon at a time, over low heat until it reaches the desired consistency.
How long can I store homemade Lebanese sugar syrup?
When stored properly in a clean, airtight glass jar or container in the refrigerator, homemade Ater will last for up to 2 months. Because of its high sugar content and the addition of lemon juice, it acts as a natural preservative.
Lebanese Desserts Made with Sugar Syrup (Ater)
- Awamat (Lebanese Doughnuts)
- Znoud El Sit
- Knafeh with Bread
- Namoura (Authentic Semolina Cake)
- Halawet El Jiben
- Lebanese Ma’akaron
- Layali Lubnan
- Knafeh Bil Ashta
- Ashtalieh
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Sugar Syrup
Description
Ingredients
- 3 cups sugar
- 1½ cups water
- 2 tablespoons lemon juice
- 2 teaspoons orange blossom water
Instructions
- Combine the ingredients. In a medium saucepan, combine the sugar, water, and lemon juice. Place over medium heat and stir with a wooden spoon until the sugar dissolves.
- Simmer the syrup. Once the mixture comes to a boil, reduce the heat to low and simmer uncovered for 8 minutes. Avoid stirring unnecessarily while the syrup simmers.
- Add the orange blossom water. Stir in the orange blossom water and simmer for 1 additional minute.
- Cool completely. Remove the saucepan from the heat and let the syrup cool completely before using. The syrup will thicken as it cools.























