To make simple syrup for coffee, combine equal parts sugar and water, heat until the sugar dissolves, then cool and store in the fridge in a clean bottle. This basic 1:1 syrup works in both hot and iced coffee and can be customized with flavors like vanilla or cinnamon.

Basic simple syrup recipe

  • Add 1 cup white sugar and 1 cup water to a small pot.
  • Heat over medium, stirring, until the sugar is completely dissolved and the liquid looks clear.
  • Let it gently simmer 1–2 minutes, then remove from heat and cool to room temperature.
  • Pour into a clean glass bottle or jar, refrigerate, and use within about 2–3 weeks.

Use 1–2 teaspoons per cup of coffee and adjust to taste.

Rich syrup & sweetness level

  • For a thicker, sweeter syrup (popular in cocktails and some coffee bars), use 2 parts sugar to 1 part water; this is often called “rich syrup.”
  • The 2:1 version makes drinks sweeter at the same volume, so start with a smaller amount in your coffee.

Flavor ideas for coffee

  • Vanilla: Make basic syrup, then stir in 1–2 teaspoons vanilla extract once off the heat.
  • Brown sugar: Use equal parts brown sugar and water for a caramel-like, Starbucks-style brown sugar syrup; add a cinnamon stick while simmering for extra warmth.
  • Spiced: Simmer sticks or whole spices (like cinnamon, cloves, nutmeg) with the syrup for a few minutes, then strain.

Tips for using in coffee

  • For iced coffee: Simple syrup dissolves instantly, so it’s ideal when cold sugar would stay gritty.
  • For hot coffee: Add a splash of syrup to the mug first, then pour in coffee and taste before adding more.
  • For lattes and cold brew: Start with 1 tablespoon of syrup per 8–12 ounces, then tweak for your preferred sweetness.

Storage and safety notes

  • Always use a clean, ideally sterilized bottle or jar to reduce contamination.
  • Keep refrigerated and discard if it becomes cloudy, smells off, or shows any signs of mold.

If you tell what kind of coffee you usually drink (espresso, cold brew, instant, etc.), a tailored syrup ratio and flavor combo can be suggested.