How to Make Simple Syrup for Cocktails and Baking

Simple syrup is a classic two-ingredient mixture made from granulated sugar and water. It’s the easiest way to sweeten cold drinks, cocktails, iced coffee, lemonade, and even cakes and baked layers to keep them moist. This page explains how to make a basic simple syrup, offers serving and storage tips, and suggests flavor variations to expand its uses.

simple syrup in glass bottle

Simple Syrup

If you’ve never made simple syrup, it’s a tiny kitchen revelation. Instead of trying to dissolve granulated sugar in cold liquids and ending up with a gritty texture, dissolve sugar in hot water to make a smooth, pourable syrup that blends instantly. It takes minutes to prepare and stores in the refrigerator for easy use all week.

The basic ratio is one part granulated sugar to one part water, but you can adapt it: a 2:1 sugar-to-water ratio makes a thicker syrup that lasts longer and is sweeter by volume. I recommend starting with equal parts for everyday use—cocktails, iced tea, coffee, and brushing over cake layers to lock in moisture.

adding water to pan

Simple Syrup Recipe

  • 1 cup granulated sugar
  • 1 cup water
adding sugar to the water

How to Make Simple Syrup

Time needed: 7 minutes

  1. Combine. In a medium saucepan, add the measured sugar and water.
  2. Heat. Warm over medium heat, stirring frequently, until the sugar has completely dissolved. Bring just to a gentle boil if you like, but you don’t need to boil hard—dissolving is the goal.
  3. Cool. Remove from heat and let the syrup cool to room temperature.
  4. Store. Transfer to a clean jar or bottle and refrigerate. Use within one week for best quality.
sugar water in pan

Simple Syrup: FAQs

What is simple syrup?

Simple syrup is an equal mix of water and sugar that’s been heated so the sugar dissolves. It creates a smooth liquid sweetener that mixes easily into cold beverages and can be brushed on cakes to add moisture and sweetness.

How long will simple syrup keep in the refrigerator?

Stored in a sealed container in the fridge, basic 1:1 simple syrup will keep about one week. A thicker 2:1 syrup can last up to a month, but always check for off smells or cloudiness before using.

Can I use alternative sweeteners?

Yes. You can substitute another sweetener such as stevia, agave, or a sugar substitute, but check package conversion charts because sweetness and volume differ from granulated sugar. Some substitutes may require different handling.

Why brush syrup on cakes?

Brushing simple syrup on cake layers adds moisture and a subtle sweetness, helping keep the cake tender and extending its shelf life. You can use plain syrup or flavor it to complement the cake.

sweetening cold coffee with simple syrup

Flavor Variations and Tips

  • Add a split vanilla bean or 1 teaspoon vanilla extract for a vanilla syrup that pairs well with coffee, pancakes, and cakes.
  • Simmer citrus peels (lemon, lime, orange) with the syrup for a bright, tart version—great in cocktails and iced tea.
  • Add a handful of fresh mint leaves to the hot syrup, steep until cool, then strain for a mint syrup ideal for mojitos and mocktails.
  • For a boozy twist, stir in a tablespoon or two of whiskey, rum, or another spirit after the syrup has cooled.
  • To make thicker simple syrup (and increase shelf life), use two parts sugar to one part water. This yields a richer mouthfeel and more concentrated sweetness.

Simple syrup’s versatility makes it a staple for home bars and kitchens. It dissolves in cold liquids without leaving grit, improving texture and flavor consistency. Keep a jar in the fridge so you can quickly sweeten iced drinks, balance tart cocktails, or moisten cake layers as needed.

citrus and mint with a bottle of simple syrup

Equipment, Ingredients & Instructions

Equipment

  • Medium saucepan
  • Measuring cups and spoons
  • Whisk or spoon for stirring
  • Clean jar or bottle for storage (mason jar recommended)

Ingredients

  • 1 cup granulated sugar
  • 1 cup water

Instructions

  1. Combine sugar and water in a medium saucepan.
  2. Heat gently over medium heat, stirring, until the sugar dissolves completely.
  3. Remove from heat and cool to room temperature.
  4. Pour into a clean jar or bottle, seal, and refrigerate.

Notes

  • Refrigerate up to 1 week for 1:1 syrup; a 2:1 syrup will keep longer.
  • Flavor syrups by infusing with vanilla, mint, citrus peels, or a splash of liquor after cooling.
  • Brush syrup over cake layers immediately after baking for best absorption and moisture.
simple syrup being brushed onto baked cake layer

Other recipes you may enjoy

  • Orange and pineapple rum punch
  • White Russian cocktail
  • Pineapple mojito (with virgin option)
  • Strawberry daiquiri (with virgin option)
  • Homemade snow cone syrup

Nutrition (approximate per tablespoon)

Serving: 1 tablespoon — Calories: 48 kcal; Carbohydrates: 12 g; Sugar: 12 g. Nutrition is an estimate and should be used as a guideline only.

Simple syrup elevates cold beverages and baked goods with minimal effort. Once you make a batch, try infusing flavors and experimenting with ratios to find your favorite version. If you try a flavored syrup or a particular use that you love, keep a note for next time—simple syrup is one of those small kitchen staples with endless possibilities.