Mash bananas with a fork
Process the banana in food processor with about 1/2 cup of milk until smooth
Blend in remaining milk and whisk together the flour, baking powder and salt
Stir dry ingredients into banana mixture until blended
Let sit while cooking pineapple slices
Cut outer skin off pineapple
Cut pineapple into slices and remove the core of each slice
Heat a skillet to medium low heat
Add a little oil to skillet
Cook pineapple slices in batches for about 2 minutes
Turn pineapple slices over
Immediately pour 1/4 cup batter into the center of each pineapple slice, allowing batter to spill over and form a circle around the outside
Add a little more batter if necessary
Cook for 2 to 3 minutes
Carefully flip over and cook other side for about 2 minutes
