- Preheat oven to 350 degrees. Grease a 9x13 inch pan. 
- In a large bowl, combine pineapple, banana, eggs, maple syrup and vanilla. Mix well. Add milk. Stir. 
- Add remaining dry ingredients, cinnamon, ginger, nutmeg, baking powder, and oats. Mix well. 
- Pour into 9x13 inch pan. 
- Bake for 45 - 50 minutes, or until edges are golden brown and center is firm.