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–+ servings
A bottle of homemade grapefruit simple syrup sits on a wooden cutting board on a marble countertop. There is a small dish of simple syrup in front of the bottle and a cut grapefruit to the side of the bottle.

Grapefruit Simple Syrup

Lindsey Neumayer
This grapefruit simple syrup recipe is a brilliant way to enjoy the taste of grapefruit in your cocktails, mocktails, and other home crafted beverages without worrying about the sour or sometimes bitter taste of grapefruit.
5 from 2 votes
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Prep Time 10 minutes
Cook Time 20 minutes
Cooling Time 30 minutes
Total Time 1 hour
Course Drinks
Cuisine American
Servings 16 ounces
Calories 79 kcal

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Equipment

  • 1 1.5-quart saucepan non-reactive, such as stainless steel or enameled cast iron
  • 1 fine mesh strainer non-reactive, such as stainless steel
  • 1 measuring glass heat proof
  • 1 spatula or spoon silicone
  • 1 citrus juicer
  • 1 microplane zester
  • 1 knife
  • 1 cutting board

Ingredients
  

  • 245 g grapefruit juice 1 cup, from 2 large pink grapefruit
  • 4 g grapefruit zest 1 TBSP, from 1 large pink grapefruit
  • 300 g granulated white sugar 1.5 cups
  • 115 g filtered water 1/2 cup
  • kosher salt optional, to taste

Instructions
 

  • Wash your grapefruit thoroughly to remove any dirt or impurities from the skin. Make sure to give it a good scrub since we will be using the peel.
  • Using a peeler or microplane zester, zest the peel from the grapefruit to get 4 g of zest, about 1 TBSP. Be careful to not get any of the pith, which is the white part of the grapefruit.
  • Slice the zested grapefruit in half and juice it. Juice another grapefruit to get 245 g of juice (1 cup).
  • In a small saucepan, heat 115 g of water over medium heat (1/2 cup).
  • Add in 300 g of sugar (1.5 cups), and stir intermittently until the sugar dissolves.
  • When the sugar is dissolved, add in the grapefruit juice and the zest or peel. Allow the mix to simmer over medium-low heat for up to 15 minutes to infuse the flavor of the peel.
  • Remove the pan from heat, allow it to cool to room temperature, and strain the mix through a fine mesh sieve to remove the grapefruit peel and any pulp from the juice.
  • Store your finished simple syrup in an airtight container like a glass bottle or mason jar for up to two weeks in the fridge

Notes

If your syrup is still too bitter, add 1/4 to 1/2 tsp of kosher salt! The salt will cut the bitterness of the grapefruit.

Nutrition

Calories: 79kcalCarbohydrates: 20gProtein: 0.1gFat: 0.1gSodium: 1mgPotassium: 26mgFiber: 0.04gSugar: 20gVitamin A: 1IUVitamin C: 4mgCalcium: 2mgIron: 0.1mg
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Keyword: citrus, grapefruit, simple syrup