6 cups fresh rhubarb, chopped
2 cups white sugar
1 can (6 oz) frozen orange juice concentrate, thawed
1 can (6 oz) frozen lemonade concentrate, thawed
1 cup gin
3 cups water
1 bottle (2 liters) lemon-lime flavored carbonated beverage, chilled
Step 1
In a large saucepan, add the chopped rhubarb and enough water to cover. Bring to a boil over medium-high heat and cook until tender. Drain and then mash or blend into a purée.
Step 2
Combine the rhubarb purée, sugar, orange juice concentrate, lemonade concentrate, gin, and water in a bowl. Freeze for 1 to 3 hours, until it reaches your desired consistency.
Step 3
Scoop the frozen mixture into serving glasses and top up with the chilled lemon-lime soda.