Oldschool milk jelly
Like the honey and lemon drink, this barely qualifies as a 'recipe'.
1. Jelly cubes in a jug
2. Boiling water to quarter pint mark
3. Stir until dissolved (shortcut: microwave 30s)
4. Leave to cool for 20 mins
5. Milk to pint mark
6. Fridge to set
Source: The Diary of a Frugal Family