1. Place first 4 ingredients in a blender; process until smooth. Combine banana mixture, milk, sugar, and yogurt in a large bowl, stirring well with a whisk.
2. Pour mixture into the freezer can of an ice-cream freezer; freeze according to manufacturer's instructions. Spoon into a freezer-safe container; cover and freeze at least 1 hour.
let your toddler help by: Pouring the measured fruit and sugar into the blender with your guidance.