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Homemade Hazelnut Syrup in a glass jar with hazelnuts in the background.
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Homemade Hazelnut Syrup

A recipe for Homemade Hazelnut Syrup! This simple syrup is infused with roasted hazelnuts for the perfect pairing with coffee and other specialty drinks.
Course Drinks
Cuisine N/A
Keyword beverage, drink, hazelnut, simple syrup, syrup
Prep Time 30 minutes
Cook Time 40 minutes
Resting Time: 30 minutes
Total Time 1 hour 40 minutes
Servings 2 cups

Ingredients

  • 3 tablespoons baking soda
  • 10 ounces (283 grams, 2 cups) hazelnuts
  • 2 cups (400 grams) granulated sugar
  • 2 cups (470 milliliters) water
  • 1 teaspoon vanilla extract

Instructions

  • Line a baking sheet with parchment and preheat oven to 350˚F (180˚C).
  • Fill a large saucepan no more than halfway with water and bring to a boil.
  • Reduce to a simmer, then carefully add the baking soda followed by the hazelnuts.
  • Simmer for 4 minutes, then drain and rinse with cold water.
  • Use your fingers to remove the skins and place each blanched hazelnut on the prepared baking sheet in a single layer. Gently press with a towel to remove any excess water.
  • Roast the hazelnuts in the preheated oven until fragrant and golden brown, about 20 minutes.
  • Remove from the oven and coarsely chop once cool enough to handle.
  • In a medium saucepan, combine the granulated sugar and water.
  • Bring the mixture to a boil.
  • Once the sugar has dissolved, reduce heat to a simmer, add the hazelnuts and cook, stirring occasionally, until the liquid starts to thicken slightly, 10-15 minutes.
  • Remove from heat, cover the saucepan, and set aside at room temperature for 30 minutes to steep.
  • Strain the syrup through a fine mesh sieve and set aside the hazelnut pieces (these can be dried and used later as a snack or garnish). Stir in the vanilla extract.
  • Transfer the syrup to an airtight container once cooled and refrigerate for up to 2 weeks.