Grapefruit Fennel Frond Soda

Makes 1 pitcher

Ingredients

2 tablespoons fresh mint leaves
2 tablespoons fresh ginger, peeled and chopped fine
½ cup sugar
¾ cup water
1 cup fresh grapefruit juice
½ cup fresh fennel juice (juiced with fennel fronds) 
Ice
Seltzer water

Directions

In a medium sauce pan combine the mint, ginger, sugar and water.  Bring to a boil while stirring to dissolve all the sugar.  Reduce heat and simmer for about 5-10 minutes.  Take of the heat and set aside to cool completely.  Strain.  In a large pitcher filled with ice, place the ginger syrup, carrot and lime juice and stir well, fill with seltzer to taste.