1. Place pears, bananas and cinnamon in a blender and blitz until smooth. Spoon mixture into ice cube trays and freeze for four hours or until set.
2. To make one smoothie, fill blender with a quarter of the fruit ice cubes, 1 cup of milk, 30g rolled oats, protein and blitz until smooth.
3. Pour into ice cube trays and freeze for 4 hours or until set. Empty into airtight container and store in freezer ready for use.