In a small jar or bowl that can be sealed, combine all ingredients except the banana and oil.
Stir well and seal. Refrigerate overnight or at least 4 hours.
Before serving, slice banana into 1/2 in. slices. Heat oil over medium heat and place bananas in skillet. Cook 1-2 minutes each side until golden brown. Top oats with bananas and enjoy!
Add a sprinkle of sesame seeds if desired.