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Lemon Lime Rum Cocktail

A sweet/tart drink, perfect for a hot summer day.


For the lemon lime syrup

  • 2 lemons
  • 7 limes
  • 1 cup sugar
  • 1 cup cold water

For the cocktail

  • 4 tablespoons lemon lime syrup
  • 1 tablespoon sugar
  • 2 oz white rum I used Bacardi White
  • Ice
  • Seltzer water
  • Lemons and lime slices for garnish Optional


  • Make the lemon/lime simple syrup:
  • Add the cup of sugar to a small saucepan. Zest the lemons and limes right over the saucepan. Slice and juice the lemons and limes. You should have about 1 cup of juice. Add this to the saucepan, along with 1 cup of cold water. Bring the mixture to a boil over high heat. Lower the heat to medium low, then simmer until the sugar has completely incorporated and the mixture takes on a syrupy consistency, about 10-15 minutes. Remove the syrup from heat and allow to cool.
  • Note: This simple syrup is not as sweet as other fruit based syrups. In fact, it's very tart. If you prefer a sweeter syrup, reduce the lemons or add more sugar. Personally, I loved the tartness of this syrup.
  • Makes about 1 1/2 cups of lemon lime syrup
  • Make the cocktail:
  • To a cocktail shaker add the lemon/lime syrup, sugar, rum, and ice. Shake for about 10 seconds and pour into a glass. Top with seltzer and garnish with limes.
  • Knock it back, call your grandpa. Tell him how much you love him.
  • Note: If you don't own a cocktail shaker, ¬†add lemon/lime syrup, sugar, and rum to a glass. Give it a good stir until incorporated. Add ice, then top with seltzer.
  • Makes 1 cocktail. Double or triple if you wish.