optional: 1/4 cup of your favorite seeds, grains, flax meal, etc.
Core the apples and coarsely grate, using either a food processor or box grater. Mix with the yogurt and water, then the oats and any other desired dry ingredients. Refrigerate and allow to soak for at least 12 hours before serving, or up to 5 days.
Serve chilled, topped with your choice of nuts/seeds, and a drizzle of raw honey if desired.