3 grapefruit banana rum Recipes

malibu rum, midori melon liqueur, banana liqueur, pineapple juice, grapefruit juice, ice, chopped pineapple, chopped banana

grapefruit , the zest, pith, and membranes cut away with a serrated knife and the flesh cut into sections, banana , cut crosswise into 1/4-inch-thick slices, milk, vanilla bean , split lengthwise, whole egg, egg yolk, granulated sugar, all-purpose flour, dark rum , or to taste, well-chilled heavy cream, sugar for sprinkling the gratins