Blackberry Sour Punch
["2 (3 oz.) pkg. blackberry gelatin", "2 c. boiling water", "2 (6 oz.) cans frozen lemonade", "1/2 c. sugar", "1 (28 oz.) bottle club soda", "ice cubes", "lemon slices"]
["Dissolve blackberry gelatin in boiling water.", "Stir in frozen lemonade until melted.", "Add sugar and stir until dissolved.", "Add club soda.", "Serve immediately over ice cubes.", "Garnish with lemon slices.", "Makes 12 (1/2 cup) servings."]
["blackberry gelatin", "boiling water", "frozen lemonade", "sugar", "club soda", "lemon slices"]