Step 1

Preheat oven to 375 degrees F. Line a square 8" baking pan with parchment paper. Set aside.

Step 2

In a medium mixing bowl, whisk together flour, coconut, sugar, baking powder, baking soda and salt. Add cooled butter and stir with a fork, until the mixture resembles coarse crumbs. Reserve one cup of the mixture and press the rest onto the bottom of prepared pan.

Step 3

In a medium mixing bowl, stir together crushed pineapple, sugar and cornstarch. Pour over crust and spread evenly.

Step 4

Sprinkle the remaining dough mixture over the filling.

Step 5

Bake bars on center rack of the oven for 23 to 25 minutes or until the topping is golden, with golden brown spots.

Step 6

Cool bars completely on cooling rack. Next, gently lift out of the pan and set on cutting board. Cut into 9 squares and serve.