Preheat oven to 350F. Spray a 8x8 baking dish with non stick cooking spray.
Pour one can of sliced peaches along bottom of dish.
In a large bowl, add the oats, sugar, and cinnamon. Stir well.
Then, add the milk, beaten egg, maple syrup, and vanilla extract. Stir well. Pour into the baking dish.
Top with remaining sliced peaches.
Bake for 35 - 40 minutes or until set.