A very healthy, zesty tropical drink also good with pineapple juice. From the Western Cookbook chapter of the United States Regional Cookbook, Culinary Arts Institute of Chicago, 1947
Ingredients:
1 banana, peeled
1 cup grapefruit juice
sugar, to taste
Directions:
1. Mash banana and beat into grapefruit juice. 2. Sweeten to taste and chill until ready to serve.