Making Coffee Syrup at Home
This is a base for iced coffees and milkshakes that stays liquid even when chilled. Because you are using brewed coffee rather than instant granules, the flavor remains bright and lacks the chemical edge of store-bought alternatives.
Balance is everything
The strength of your starting coffee determines the final potency; use a darker roast for a more assertive syrup that holds up against heavy cream.
- small heavy-bottomed saucepan
- whisk
- glass jar for storage
What goes in.
- 1 cupfreshly brewed, extra-strong coffee
- 1 cupgranulated white sugar
- 1/2 tspvanilla extract
Don't boil the flavor away
Keep the heat at a low simmer. You are looking to dissolve the sugar and slightly thicken the liquid, not evaporate the coffee essence into steam.
The method.
Combine liquids
Pour the brewed coffee and sugar into the saucepan over medium heat.
Dissolve
Whisk constantly until the sugar grains disappear and the liquid turns transparent; this usually takes about 3 to 5 minutes.
Simmer
Once the mixture bubbles, reduce the heat to low and let it cook for 8 to 10 minutes until it coats the back of a spoon.
Finish and cool
Remove from heat, stir in the vanilla extract, and let it cool completely before pouring into a jar.
Other turns to take.
Spiced Coffee Syrup
Add one cinnamon stick or a star anise to the pot while simmering, then remove before storing.
Brown Sugar Syrup
Swap the white sugar for dark brown sugar to introduce molasses notes that pair well with autumn spices.
When it doesn't go to plan.
Store the finished syrup in the refrigerator to keep the flavor profile clean for up to three weeks.
If you find crystals forming on the jar rim, it means the syrup was reduced slightly too far; add a tablespoon of hot water to thin it out.
Use a fine-mesh sieve if you notice any sediment from the coffee grounds before bottling.
The ones that keep coming up.
Can I use decaf coffee?
Yes, the process remains exactly the same.
Why does my syrup turn bitter?
Usually, this happens if the coffee used for the base was burned during the brewing process. Start with fresh, quality coffee to avoid bitterness.
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