Preheat oven to 350°F. Line a 9 x 13 baking pan with parchment paper.
2
Cream together the mashed bananas, eggs, chia seeds, brown sugar, milk, vanilla, and coconut oil. Make sure the coconut oil is well distributed, small lumps are OK. Let the wet ingredients sit for 10 min to allow the chia seeds to absorb some of the moisture.
3
In a separate bowl, sift together flour, salt, and baking powder. Whisk dry ingredients into wet ingredients until combined.