In a bowl, mix the oats, almond milk, almond yogurt and a pinch of salt. Stir and refrigerate overnight.
The next morning, puree the mango and put in a bowl. Puree the banana and place in a bowl. Puree the sweet potato and place in a bowl. Divide the oats into each of the fruit bowls. Sweeten with maple syrup, if desired.
Layer the banana, sweet potato and mango into glasses and top with candy corn.