Citrus Iced Teas

• 5 cups water
• Two tea-bags of green tea
• 1 cup sugar
• 1 can (12 ounces) frozen lemonade concentrate, thawed
• 1 cup vodka
• 1 bottle (1 liter) sparkling water
• Chilled lemon slices

Heat 1-cup of the water to boiling. Pour water over tea bags; let steep 10 minutes. Remove tea bags and cool tea. Heat remaining four cups water to boiling. Stir in sugar until dissolved. Remove from heat; cool 20 minutes.
Mix tea, sugar water, lemonade concentrate and vodka in 3 quart plastic container. Cover and freeze at least 24 hours.
To serve, place 2/3-cup slush in each glass and fill with 1/3-cup sparkling water and stir. Garnish with lemon slices.