Steps
- Mix 1 tablespoon of rolled oats with 3 tablespoons of water. Cover and refrigerate for 12 hours.
- Stir in 1 tablespoon of sweetened condensed milk and the juice of ½ lemon.
- Core and coarsely grate 1 large apple, keeping the skin. Stir into the oats and sprinkle with 1 tablespoon of chopped walnuts.