1 cup crushed pineapple, drained
1/2 cup sugar
2 cups heavy (whipping) cream
5 bananas, very ripe and soft
1 cup sugar
1 tbsp vanilla extract
1 1/2 tbsp lime or lemon juice
pinch of salt

Add pineapple and 1/2 cup sugar to cream. Let sit for an hour or so. Crush bananas, peeled and scraped and combine with 1 cup sugar, vanilla extract, lime (or lemon) juice and salt. Combine pineapple and banana mixtures and freeze the mixture as for vanilla ice cream.