Pistachio Syrup

This simple pistachio syrup combines roasted pistachios, sugar and water to make a sweet, nutty syrup for coffee, cocktails and desserts. Ready in just 15 minutes.

Homemade pistachio syrup is a lovely way to bring the rich, nutty flavour of roasted pistachios into coffee, iced lattes, cocktails and desserts.

It's gently sweet, with a toasted nuttiness that makes it quite different from an ordinary sugar syrup.

I particularly like this recipe because it uses just three ingredients and doesn't need any specialist equipment.

Simmering the chopped pistachios with sugar and water allows their flavour to infuse into the syrup, while cooling everything together gives the nuts a little longer to release their flavour.

The trick is to keep the heat gentle rather than boiling the mixture vigorously. You'll get a smoother tasting syrup without reducing it too much, and the pistachio flavour has time to develop.

It's ideal for anyone who enjoys making coffee-shop-style drinks at home, but it's equally useful for weekend baking, homemade desserts and drinks when friends visit.

Add it to your coffee setup alongside Vanilla Syrup, Peppermint Syrup, and Biscoff Syrup!

Jump to:

• Why You'll Love This Recipe
• Roasted Pistachios
• Ingredients
• Instructions
• Serving Suggestions
• Pistachio Syrup Variations
• Storage, Freezing and Making Ahead
• recipe tips
• FAQs
• Simple Syrup Recipes
• 📖 Recipe
• 💬 Comments

Why You'll Love This Recipe

• Only three ingredients. There's no need for artificial flavourings, food colouring or complicated equipment.
• Easy to prepare. Most of the work involves gentle simmering and allowing the syrup to cool.
• Made with real pistachios. The roasted nuts provide a naturally toasted flavour.
• Useful in hot and cold drinks. The dissolved sugar mixes much more easily into iced coffee than granulated sugar.
• Simple to adjust. You can experiment with the infusion time or add complementary flavours.
• Good for making ahead. A small bottle in the fridge makes preparing flavoured drinks much quicker.
• The strained nuts needn't be wasted. They can be used as a sweet topping for porridge, yoghurt or ice cream.

Roasted Pistachios

The pistachios are responsible for almost all the character in this recipe, so choosing good ones makes a noticeable difference.

I recommend shelled, roasted, unsalted pistachios. Roasting develops their nutty aroma, while avoiding salt gives you more control over the finished flavour.

Chopping the nuts exposes more surface area to the hot syrup. They don't need to be finely ground. In fact, very finely chopped pistachios can make straining more difficult.

If you can only find raw pistachios, toast them gently in a dry frying pan over a low heat until fragrant, then allow them to cool before chopping.

Salted pistachios can work in a pinch, but they produce a slightly different syrup. A little salt can complement sweetness, although heavily salted nuts may overpower the more delicate flavour.

I wouldn't substitute pistachio butter directly into this recipe. It contains finely ground nut solids and oils, which can make the syrup cloudy, thicker and more difficult to strain.

Ingredients

• Granulated Sugar - Creates the sweetness and body of the syrup. Ordinary white granulated sugar works well because it dissolves cleanly and doesn't compete with the pistachios. Caster sugar is also suitable, while brown sugar gives a darker, more caramel-like result.
• Shelled Roasted Pistachios - Give the syrup its distinctive nutty character. Choose fresh, unsalted roasted nuts. Roughly chopping the shelled pistachios helps release their flavour without creating too many fine particles.
• Water - Dissolves the sugar and carries the pistachio flavour. Ordinary drinking water is all you need. I prefer starting with cold water so the sugar dissolves gradually as everything heats together.

See the recipe card for quantities.

Instructions

Follow this step-by-step photo tutorial, then scroll down to the recipe card for the full ingredients list and method.

1. Roughly chop the pistachios. Use a sharp knife to break the nuts into smaller pieces. Aim for a coarse chop rather than fine crumbs. This exposes more of the nuts to the liquid while making them easier to strain later.

2. Combine the ingredients. Add the sugar, water and chopped pistachios to a small, heavy-based saucepan. Stir gently to distribute everything evenly. A heavy-based pan helps prevent hot spots that might cause the sugar to catch.

3. Heat until gently simmering. Place the saucepan over a medium-low heat, stirring occasionally until the sugar dissolves. The liquid should look clear apart from the pistachios. Once small bubbles begin appearing around the edges, reduce the heat slightly.

4. Simmer for 15 minutes. Keep the mixture at a gentle simmer, with occasional small bubbles breaking the surface. Stir now and then, particularly around the bottom of the pan. Avoid a vigorous boil because too much evaporation will make the syrup overly concentrated.

5. Allow the syrup to cool. Remove the saucepan from the heat and leave the pistachios in the liquid while it cools. This extra infusion time helps develop the nutty flavour. The syrup will become slightly thicker as its temperature drops.

6. Strain the mixture. Place a fine-mesh sieve over a clean bowl or large jug and carefully pour in the syrup. Let the liquid drain naturally. Pressing the nuts firmly can push fine particles through the sieve, making the syrup cloudier.

7. Transfer to a bottle or jar. Pour the strained syrup into a thoroughly cleaned container with a tight-fitting lid. A small funnel makes this easier and helps avoid sticky spills.

8. Refrigerate. Once completely cool, seal the container and place it in the fridge. Give the syrup a gentle swirl before using if any natural sediment has settled.

Serving Suggestions

Pistachio syrup works particularly well in coffee, creamy drinks and desserts where its gentle roasted nut flavour has a chance to come through. I find it pairs especially nicely with vanilla, chocolate, berries and anything with a little bitterness to balance the sweetness.

• Pistachio Latte. Stir 1-2 tablespoons of pistachio syrup into a freshly brewed espresso, then top with steamed milk. The coffee balances the sweetness, while the milk brings out the roasted pistachio flavour.
• Iced Pistachio Coffee. Combine espresso, pistachio syrup and cold milk, then pour over plenty of ice. I like using a double espresso here because the coffee flavour can become diluted as the ice melts.
• Pistachio Hot Chocolate. Stir a tablespoon of syrup into homemade hot chocolate.
• Vanilla Ice Cream. Drizzle pistachio syrup over good-quality vanilla ice cream and finish with a scattering of chopped roasted pistachios. The syrup adds flavour while the nuts provide a welcome crunch.
• Pancakes, Waffles and French Toast. Spoon the syrup over freshly made pancakes, French Toast or Belgian waffles with sliced strawberries, raspberries or bananas. I particularly like adding a dollop of thick Greek yoghurt to balance the sweetness. Try Cinnamon French Toast.
• Overnight Oats. Stir a teaspoon or two into overnight oats made with milk or yoghurt. Add raspberries and chopped pistachios just before serving.
• Pistachio Milkshake. Blend vanilla ice cream, milk and a tablespoon or two of pistachio syrup until smooth.
• Greek Yoghurt and Fresh Fruit. Drizzle over thick Greek yoghurt with strawberries, cherries or sliced peaches. Or try it with Whipped Cottage Cheese with Fruit.
• Cheesecake. Spoon a little syrup over individual slices of baked vanilla cheesecake or a no-bake cheesecake. Try Vegan Cheesecake.
• Affogato. Add a teaspoon of pistachio syrup to a scoop of vanilla gelato, then pour over a shot of hot espresso. The syrup blends with the melting ice cream and coffee to create a rich, nutty dessert.

Pistachio Syrup Variations

These are simple adjustments to the basic recipe rather than completely different syrups.

1. Vanilla pistachio syrup. Add a little vanilla extract after removing the saucepan from the heat for a softer, sweeter aroma.
2. Almond and pistachio syrup. A tiny amount of almond extract makes the nutty flavour more pronounced.
3. Cardamom pistachio syrup. Simmer a lightly crushed cardamom pod with the nuts for a fragrant, gently spiced finish.
4. Rose pistachio syrup. Add a few drops of food-grade rose water after cooking for a floral note.
5. Cinnamon pistachio syrup. Infuse a small cinnamon stick alongside the pistachios for a warmer flavour.
6. Orange pistachio syrup. Add a strip of orange zest during simmering, avoiding the bitter white pith.
7. Honey pistachio syrup. Replace a little of the sugar with honey for a floral sweetness, remembering that the flavour and consistency will change.

Storage, Freezing and Making Ahead

Refrigeration

Store pistachio syrup in a clean, airtight glass jar or bottle in the fridge.

Because this syrup is infused with nuts and contains no commercial preservatives, I recommend using it within one week as a cautious home-storage guideline. This isn't a laboratory-validated shelf life, so cleanliness and prompt refrigeration are important.

Discard the syrup if you notice mould, bubbling, an unusual smell or other signs of spoilage.

Can You Freeze Pistachio Syrup?

Yes. Pour cooled syrup into a freezer-safe container, leaving room for expansion, or divide it into small portions using an ice cube tray.

Freeze for up to two months as a practical quality guideline. The high sugar content means it may remain slightly soft rather than freezing completely solid.

Thaw portions in the fridge before using.

Making It Ahead

I like preparing the syrup the day before I need it. This allows it to chill fully and makes it easy to judge the finished consistency.

It may look slightly thicker after refrigeration. If necessary, stir a portion into a warm drink or allow it to stand briefly at room temperature before pouring.

FAQs

Simple Syrup Recipes

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