Hair-of-the-Dog Pineapple Soda

Ingredients

• 3 cups club soda 
• 2 cups ice cubes 
• 12 oz pineapple juice concentrate frozen canned

Equipment

• whisk

Directions

1. Put frozen pineapple juice in a large pitcher.
2. Add 2 to 3 tbsp. seltzer; whisk to blend. Gently stir in 3 cups seltzer and plop in some ice.
3. Serve with bottles of whatever was imbibed the night before, so each person can add to tasteor not at all.