Place cherries on a plate to defrost.

Meanwhile, in a small pot, bring milk to a boil over medium high heat. Dice the apple while waiting for the milk to come to a boil. Once cherries are defrosted enough, halve the cherries.

Once milk is boiling, add the rolled oats and reduce heat to medium. Add the diced apple at this time. Cook for 5 minutes, or until most of the liquid has been absorbed.

Add vanilla extract, cinnamon and the cherries. Stir until well combined.

Serve hot, or refrigerate and serve cold.