Step 1

Preheat oven to 350 degrees. Coat a 9 x 9 baking pan with cooking spray and line with parchment. Set aside.

Step 2

In a bowl, combine the butter, sugar, and flour. Crumble together and press into the bottom of the pan. Bake for 15 minutes until light golden brown. Set aside to cool slightly.

Step 3

For the top layer, combine the beaten eggs with the remaining top layer ingredients and stir well to combine. Pour over the slighly cooled bottom layer and bake for 20-25 minutes or until bars are set and a rich brown color. Set aside to cool.

Step 4

For the icing, beat together the powdered sugar, butter, and pineapple juice until desired consistency is reached, adding more powedered sugar and pineapple juice as necessary. Spread over cooled bars.

Step 5

Refigerate until set. Remove from pan to a cutting board and cut into 24 pieces.