1 1/2 ounces light rum
1/4 cup banana
1/4 cup pineapple juice
1/2 ounce lime juice
2 dashes Peychaud’s bitters
1/2 cup crushed ice
Iced bitter-lemon soda

Put rum, sliced banana, pineapple juice, lime juice, bitters and crushed ice into a blender. Blend for 10 to 15 seconds at high speed. Pour into a tall 14 ounce glass. Let foamy cap of drink settle somewhat then add two ice cubes. Fill glass with bitter lemon soda.