1 (6 oz.) can frozen lemonade
2 c. pineapple juice
1 (8 1/2 oz.) can cream of coconut
1 c. vodka (opt.)
2-3 qt. 7-Up or similar beverage

Combine lemonade concentrate, pineapple juice, cream of coconut and vodka. Freeze. To serve, put a scoop of frozen punch in a glass and fill with 7-Up.