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+ servings
Mason jars filled with Watermelon Thyme Lemonade.

Watermelon Thyme Lemonade Recipe

Arlene Mobley - Flour On My Face
Homemade Watermelon Thyme Lemonade recipe using freshly squeezed lemons, fresh watermelon juice, and thyme simple syrup is a unique fruit-infused lemonade recipe that will refresh your guests. This herbal lemonade recipe is perfect during the summer.
5 from 4 votes
Prep Time 10 mins
Cook Time 0 mins
Total Time 10 mins
Course Drinks
Cuisine American
Servings 8 servings
Calories 202 kcal


Watermelon Thyme Lemonade Ingredients

  • 2 cups freshly squeezed lemon juice
  • 2 cups watermelon juice
  • 2 to 3 cups water
  • ½ cup to 1 ½ cup sugar to your taste preference
  • thyme simple syrup see recipe below
  • fresh sprigs of thyme and basil for garnish
  • Lemon slices for garnish

Thyme Simple Syrup Ingredients

  • 1 cup sugar
  • 1 cup water
  • 1 cup packed cup of fresh thyme leaves and stems
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Watermelon Thyme Lemonade Directions

  • In a large container combine the lemon juice, watermelon juice, water, sugar and thyme simple syrup.  Stir to combine until the granulated sugar has dissolved.
  • Fill a tall glass serving pitcher full of ice.
  • Pour the Watermelon Thyme Lemonade concentrate into the pitcher until it is full. Stir well. Add lemon slices and sprigs of fresh thyme and basil (if desired) and stir once again.
  • Replenish the glass pitcher with the remaining Watermelon Thyme Lemonade concentrate as needed.
  • Make 8 to 10 servings depending on the size of glasses used to serve.

Thyme Simple Syrup Instructions

  • Place the sugar and water in a saucepan. Mix until sugar is mostly dissolved.
  • Place the saucepan on a burner over medium heat. Heat until just boiling.
  • Remove the saucepan from the heat and allow to cool about 15 minutes. Syrup should still be warm.
  • Slightly crush the thyme leaves and stems, cutting large stems if needed. Add the fresh thyme to the pot and push down under the syrup.
  • Place a tight-fitting lid on the pot and allow to steep for a couple of hours or overnight.
  • Strain thyme simple syrup through a strainer lined with cheesecloth or a coffee filter to remove all plant material.
  • Place the thyme simple syrup in a container with a tight-fitting lid.
  • Refrigerate until ready to use.
  • Makes 1 cup thyme simple syrup.


  • Serve the Watermelon Thyme Lemonade in mason jars or tall glasses that have been filled with ice and garnished with more lemon slices and fresh herb sprigs.
  • Thyme simple syrup will keep for about 2 to 3 weeks in the refrigerator.


Serving: 1glass | Calories: 202kcal
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