To make your overnight oatmeal:
Place all the oatmeal ingredients to a mixing bowl. Whisk well to combine, then cover and allow it to refrigerate for at least 4 hours (or overnight).
To assemble your banana split bowls:
Peel and slice the bananas in half, lengthwise.
Add the banana halves to your bowls as shown.
Add oatmeal in the middle followed by a dollop of yogurt.
Sprinkle with strawberries and fresh berries.
Drizzle with melted chocolate and sprinkle with chopped walnuts.
Repeat with remaining bowls.
Enjoy!