Gin Champagne Punch - cooking recipe

Ingredients

3 cups pineapple juice
1 cup lemon juice
1 liter gin
1 1/4 cups orange liqueur
2 (750 ml) bottles champagne
2 liters seltzer water
1 orange, sliced (optional)

Preparation

Combine all non-sparkling ingredients in a bowl.
When ready to serve, slowly pour in the champagne and seltzer.
Add orange slices to the top as garnish, if desired.